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Antidepressant use has become increasingly common, often extending for many years or even decades. Many patients are told these medications are safe, effective, and essential for long-term mental health. However, emerging research suggests that long-term antidepressant use may carry under-recognized cardiovascular risks, including an increased risk of sudden cardiac death.

Sudden cardiac death is a rapid and often fatal collapse caused by a sudden loss of effective heart rhythm. It typically occurs within minutes and frequently without warning. In younger adults, it is most often linked to electrical rhythm disturbances or cardiomyopathy; in older adults, it is commonly associated with coronary artery disease. Regardless of age, the outcome is usually the same.

Recent population-level data suggest that antidepressant exposure may be contributing to a shift in this risk profile.

Long-Term Antidepressant Use and Cardiac Risk

Research presented at the 2025 European Heart Rhythm Association annual meeting examined antidepressant exposure and sudden cardiac death using national registry data from Denmark.¹ The study reviewed all deaths among adults aged 18 to 90 living in Denmark in 2010.

Out of 45,701 total deaths, 6,002 were classified as sudden cardiac deaths. Researchers then analyzed antidepressant prescription history over the prior 12 years.

Key Findings

Participants were considered exposed if they had filled at least two antidepressant prescriptions within a single year. Exposure was categorized as:

  • Short-term use: 1–5 years
  • Long-term use: 6 or more years

Compared with individuals who had never used antidepressants:

  • 1–5 years of use was associated with a 56% higher risk of sudden cardiac death.
  • 6 or more years of use was associated with a 2.2-fold higher risk.

Importantly, the risk increased progressively with duration of use, suggesting a time-dependent relationship rather than a transient effect.

Younger Adults May Face Disproportionate Risk

The association was not limited to older adults.

  • Ages 30–39:
    • 1–5 years of use → 3× higher risk
    • 6+ years → 5× higher risk
  • Ages 50–59:
    • 1–5 years → 2× higher risk
    • 6+ years → 4× higher risk
  • Ages 70–79:
    • 1–5 years → 83% higher risk
    • 6+ years → 2.2× higher risk

For adults aged 18–29 and 80+, the increase was not statistically significant, possibly due to smaller sample sizes.

Across age groups, longer exposure consistently correlated with higher risk, indicating a dose-response relationship over time.

Possible Mechanisms Behind the Risk

According to study authors, several biological and behavioral factors may contribute:

  • Direct cardiac effects:
    Many antidepressants—particularly SSRIs and tricyclic antidepressants—interact with cardiac ion channels. These channels regulate electrical signaling in the heart. Disruption can increase the risk of dangerous arrhythmias.
  • Underlying psychiatric illness:
    Depression itself is associated with increased cardiovascular risk, delayed medical care, inflammation, and adverse lifestyle factors.
  • Autonomic nervous system effects:
    Antidepressants can alter heart rate variability and autonomic balance, further increasing arrhythmia susceptibility.

These mechanisms are not mutually exclusive and may compound over time.

Effectiveness of Antidepressants: A Separate but Relevant Issue

Antidepressants remain widely prescribed despite ongoing debate about their effectiveness for most patients.

  • Approximately two-thirds of users do not experience meaningful benefit
  • A large FDA-reviewed analysis of 232 randomized controlled trials involving 73,388 patients found antidepressants outperformed placebo in only 15% of patients, primarily those with the most severe depression.⁵
  • Long-term use has also been associated in observational studies with increased risks of type 2 diabetes³, cognitive decline⁴, and suicidality in certain populations.

For many individuals, symptoms such as sadness, anxiety, or burnout may reflect nutritional deficiencies, circadian disruption, inflammation, or psychosocial stress, rather than a primary chemical imbalance.

Tapering Antidepressants Safely

Antidepressants should never be stopped abruptly. Anyone considering discontinuation should work with a qualified healthcare provider experienced in tapering protocols.

Resources that may be helpful include:

  • The American College for Advancement in Medicine (ACAM) referral network (www.acam.org)
  • Psychiatric Drug Withdrawal by Dr. Peter Breggin
  • The Antidepressant Solution by Dr. Joseph Glenmullen

Gradual tapering supports nervous system stability and reduces withdrawal risks.

In cases of suicidal ideation or crisis, immediate medical help is essential. In the U.S., call 988 or go to the nearest emergency room.

Evidence-Based Alternatives That Support Mental Health

Research supports multiple non-pharmacologic strategies that address mood at the biological level:

1. Movement

  • Aerobic exercise increases GABA, dopamine, and norepinephrine.
  • Yoga practiced regularly has been shown to significantly reduce depressive symptoms.⁶

2. Nutrition

  • Chronic inflammation worsens mental health.
  • Excess refined sugar increases depression risk.⁷
  • Key nutrients include B vitamins, magnesium⁸, and adequate dietary cholesterol for serotonin receptor function.

3. Sunlight and Circadian Health

  • Low vitamin D correlates strongly with depression.⁹
  • Natural light exposure improves circadian rhythm and mitochondrial function.
  • Supplement vitamin D only when levels are suboptimal.

4. Nervous System Regulation

  • Light therapy has outperformed Prozac in some studies.¹⁰
  • Gut health influences neurotransmitter production.
  • Techniques such as EFT and cognitive behavioral therapy show benefit.

5. Environmental Factors

  • Poor sleep, chronic EMF exposure, and circadian disruption increase stress hormones.
  • Improving sleep quality and reducing nighttime stimulation supports recovery.

The Bottom Line

Antidepressants may help a small subset of patients, but long-term use is not without risk, particularly for cardiovascular health. The emerging association with sudden cardiac death underscores the importance of periodic reassessment, informed consent, and exploration of root-cause approaches.

Mental health care should aim to restore biological balance—not simply suppress symptoms—while minimizing long-term harm.


Sources & References

  1. European Society of Cardiology, March 30, 2025
  2. Translational Psychiatry, June 3, 2022
  3. Diabetology & Metabolic Syndrome, Aug 31, 2023
  4. BMC Medicine, Feb 25, 2025
  5. BMJ 2022; 378: e067606
  6. Journal of Alternative and Complementary Medicine, 2017; 23(3)
  7. Scientific Reports, July 27, 2017
  8. Frontiers in Psychiatry, Dec 21, 2023
  9. Pharmacological Research, 2023; 187:106605
  10. JAMA Psychiatry, Nov 18, 2015

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Many people seeking better metabolic health are interested in natural strategies that help manage blood sugar levels and support a healthy weight. Reducore™ is designed as a multifaceted nutritional blend that targets several physiological processes linked to glucose regulation, satiety, and metabolic resilience.

In this article, we explain how Reducore™ works based on its ingredients, what the research says, and how it may complement lifestyle approaches for metabolic support.


What Is Reducore™?

Reducore™ is a metabolic health supplement formulated to support:

  • Balanced post-meal blood sugar responses
  • Healthy insulin dynamics
  • Satiety and appetite regulation
  • Lean muscle maintenance
  • Gut microbiome health

It combines resistant fibersfunctional carbohydratestargeted plant extractsamino acids, and magnesium. These ingredients act through distinct metabolic pathways that influence digestion, glucose uptake, and energy utilization.


Key Ingredient Groups and How They Work

1. BiomeFuel Blend – Supporting the Gut–Metabolism Axis

The BiomeFuel Blend includes resistant fibers and functional carbohydrates that act as prebiotics, nourishing beneficial gut microbes.

  • Resistant tapioca dextrin (FiberSMART®) and resistant potato starch (Solnul®) are digestion-resistant fibers shown to increase populations of beneficial bacteria such as Bifidobacterium and Akkermansia muciniphila. These microbes are associated with gut barrier integrity, short-chain fatty acid (SCFA) production, and metabolic balance. SCFAs like butyrate play roles in GLP-1 and PYY signaling, hormones involved in satiety and glucose homeostasis.
    Supporting research: resistant starch intake is linked to increased SCFA production and favorable metabolic markers.
    (Bird et al., 2010, Journal of Nutrition)
  • Allulose is a rare sugar that provides sweetness with negligible calories and has been shown in clinical studies to support lower post-meal blood glucose and insulin levels.
    Supporting research: allulose has minimal effect on glycemia and may support glucose metabolism.
    (Hayashi et al., 2010, Metabolism)
  • Oat beta-glucan is a soluble fiber that forms a viscous matrix in the gut, slowing carbohydrate absorption and promoting feelings of fullness. It is widely studied for its effects on glycemic control and cholesterol management.
    Supporting research: oat beta-glucan supports postprandial glycemia and lipid profiles.
    (Whitehead et al., 2014, European Journal of Clinical Nutrition)

2. Muscle Support Blend – Promoting Lean Body Composition

Maintaining lean muscle is important because muscle tissue is a major site of glucose utilization.

  • Amino L40® is a blend of essential amino acids (EAAs), rich in leucine, which is known to stimulate muscle protein synthesis more effectively than some other protein sources. Preserving or increasing lean muscle supports metabolic rate and glucose uptake.
    Supporting research: leucine-rich EAA blends can stimulate muscle protein synthesis.
    (Gorissen et al., 2014, Journal of Nutrition)
  • Magnesium glycerophosphate provides an absorbable form of magnesium, a mineral involved in insulin receptor function and glucose transport. Adequate magnesium status correlates with better insulin sensitivity in population studies.
    Supporting research: magnesium intake is linked to reduced risk of insulin resistance.
    (Song et al., 2006, Diabetes Care)

3. Glycemic Control Blend – Supporting Balanced Carbohydrate Processing

This blend contains plant extracts traditionally studied for their effects on glucose metabolism:

  • Mulberry leaf extract (Reducose®) has compounds that slow carbohydrate breakdown in the small intestine by inhibiting enzymes like alpha-glucosidase, which can help moderate blood glucose responses after meals.
    Supporting research: mulberry leaf extract supports postprandial glucose moderation.
    (Krentz et al., 2009, Journal of Clinical Biochemistry)
  • Prickly pear (Opuntia spp.) fruit juice and nopal leaf powder contain pectins and flavonoids that may help buffer glycemic fluctuations and support antioxidant balance. Clinical research suggests prickly pear products can support healthy blood glucose patterns when incorporated into meals.
    Supporting research: prickly pear intake is linked to improved postprandial glucose responses.
    (Frati Munari et al., 1996, Journal of Ethnopharmacology)
  • Acacia and carob fiber (Inavea™) are soluble fibers that support gut microbiome diversity and SCFA production. Their influence on satiety and metabolic signaling adds to the overall metabolic support profile.
    Supporting research: soluble fiber blends support gut microbial health and satiety.
    (Weickert & Pfeiffer, 2008, The Journal of Nutrition)

How Reducore™ May Support Blood Sugar and Weight Goals

Reducore™ targets multiple, interrelated pathways important for metabolic health:

  1. Blunting post-meal glucose spikes – Resisting rapid carbohydrate breakdown reduces insulin surges and supports more stable energy.
  2. Enhancing satiety – Viscous fibers and fermentation products promote gut hormone signaling that helps reduce hunger.
  3. Supporting lean muscle – Essential amino acids and magnesium help preserve or build muscle, an important glucose sink.
  4. Supporting the gut microbiome – Beneficial microbes and their metabolites influence systemic metabolism, including insulin sensitivity and energy balance.

Because it addresses several mechanisms, Reducore™ may be more effective than single-ingredient products at supporting metabolic resilience.


Practical Use Considerations

  • Best taken around meals, especially those containing carbohydrates.
  • Works most effectively in the context of balanced diet and physical activity.
  • Individuals with digestive sensitivities should introduce fibers gradually.
  • Reducore™ is intended as nutritional support and not as a substitute for medical treatment of diabetes or metabolic disease.

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Conclusion

Reducore™ is a thoughtfully formulated supplement that combines clinically studied fibers, plant extracts, amino acids, and magnesium to support balanced metabolic function. Its multi-ingredient approach aligns with current understanding of glucose metabolism, gut health, and lean body composition. When paired with a healthful lifestyle, it may help individuals seeking to support blood sugar control and weight management.


References (for publication)

  • Bird, A.R. et al. (2010). Journal of Nutrition.
  • Whitehead, A. et al. (2014). European Journal of Clinical Nutrition.
  • Gorissen, S.H.M. et al. (2014). Journal of Nutrition.
  • Song, Y. et al. (2006). Diabetes Care.
  • Krentz, A.J. et al. (2009). Journal of Clinical Biochemistry.
  • Frati Munari, A.C. et al. (1996). Journal of Ethnopharmacology.
  • Weickert, M.O. & Pfeiffer, A.F.H. (2008). The Journal of Nutrition.
  • Hayashi, N. et al. (2010). Metabolism. Route okay so just posted

And How Natural, Nutritional Strategies Can Support Better Glucose Control

Managing type 2 diabetes is often framed around diet, exercise, and medication. Emerging research suggests that another, often overlooked factor may play a meaningful supporting role: daily exposure to natural daylight.

A recent study published in Cell Metabolism found that people with type 2 diabetes who were exposed to natural daylight—even while indoors near a window—showed more stable blood sugar patterns and improved metabolic signaling compared to those exposed only to typical artificial lighting.

Why Light Matters for Blood Sugar

Modern lifestyles keep most people indoors under artificial light for 80–90% of the day. These lights are far dimmer and biologically flatter than sunlight and provide weak signals to the body’s internal clock, known as the circadian rhythm.

Circadian rhythms regulate:

  • Insulin sensitivity
  • Glucose metabolism
  • Hormone release
  • Digestive timing
  • Fat vs. carbohydrate utilization

When this internal clock becomes misaligned—common in shift work, late nights, and indoor lifestyles—insulin resistance and blood sugar instability tend to worsen, two hallmark issues in type 2 diabetes.

What the Study Found

Researchers studied 13 adults with type 2 diabetes in a controlled office environment over two separate 4.5-day periods.

  • In one phase, participants worked near large windows with natural daylight
  • In the other, windows were covered and only standard indoor lighting was used
  • Meals, schedules, and medications were kept identical in both phases

Key Results

  • Average glucose levels were similar in both conditions
  • Daylight exposure increased the amount of time blood sugar stayed in a healthy range
  • Blood sugar fluctuated less throughout the day
  • Participants exposed to daylight burned more fat and fewer carbohydrates
  • Cellular “clock genes” were more synchronized under natural light

This metabolic pattern is associated with better insulin sensitivity and glucose control.

How Natural Healthcare Strategies Can Help at Each Level

1. Circadian Rhythm Support (Light Exposure)

Daily daylight exposure acts as a master reset for the body’s metabolic timing.

Helpful strategies include:

  • Sitting near windows during work hours
  • Spending time outdoors earlier in the day
  • Avoiding bright artificial light late at night
  • Maintaining consistent sleep–wake schedules

These habits help align insulin release and glucose uptake with the body’s natural rhythms.

2. Nutritional Timing and Blood Sugar Stability

Circadian alignment works best when paired with proper meal timing:

  • Eating meals earlier in the day when insulin sensitivity is highest
  • Avoiding late-night eating that disrupts glucose regulation
  • Allowing sufficient fasting time overnight

This complements daylight exposure by reinforcing the same metabolic signals.

3. Supporting Fat vs. Sugar Burning

The study found that daylight exposure shifted metabolism toward fat utilization rather than carbohydrate overuse—a favorable pattern in type 2 diabetes.

Nutritional strategies that support this include:

  • Reducing refined carbohydrates and added sugars
  • Emphasizing whole foods that stabilize glucose release
  • Ensuring adequate protein and healthy fats to reduce glucose spikes

These approaches help smooth blood sugar curves rather than forcing sharp insulin responses.

4. Cellular and Hormonal Balance

Better synchronization of cellular clock genes improves how cells respond to insulin.

Supporting factors include:

  • Adequate mineral intake (especially magnesium, which plays a role in insulin signaling)
  • Stress reduction, as chronic stress disrupts circadian and glucose regulation
  • Consistent daily routines, which reinforce metabolic predictability

What This Does—and Does Not—Mean

Daylight exposure is not a replacement for diabetes medication, diet, or exercise. The researchers emphasize that it should be viewed as a supportive lifestyle factor, not a standalone treatment.

However, the findings highlight an important point: blood sugar control is not governed by food alone. Light exposure, timing, sleep, and daily rhythm all influence how the body processes glucose.

The Takeaway

Something as simple as sitting near a window or spending more time outdoors during the day may help people with type 2 diabetes:

  • Keep blood sugar within a healthier range
  • Reduce glucose fluctuations
  • Improve metabolic efficiency

When combined with nutritional strategies, proper meal timing, and consistent daily routines, supporting the body’s natural circadian rhythm can become a valuable part of a comprehensive, natural approach to blood sugar management.

Sometimes, better metabolic health begins not with another intervention—but with restoring the signals the body was designed to follow.

And How Nutritional and Natural Health Approaches Can Help at Each Stage

For many people, heartburn is dismissed as a minor inconvenience. But when acid reflux becomes frequent or chronic, it can set off a chain of events that may lead to esophageal inflammation, Barrett’s esophagus, and increased cancer risk.

The encouraging news is that addressing reflux early—at the functional and nutritional level—can interrupt this progression before structural damage occurs.

Stage 1: Occasional to Chronic Acid Reflux

What’s happening

Acid reflux occurs when the lower esophageal sphincter (LES)—the “acid gate” between the stomach and esophagus—fails to stay closed. This allows stomach contents to travel upward into tissue that was never designed to tolerate acid.

How nutritional therapy can help

At this stage, reflux is often functional and reversible.

Key strategies include:

  • Magnesium repletion to improve LES tone and neuromuscular control
  • Meal timing correction (no food within 3 hours of lying down)
  • Reducing late-night fluid overload, which increases stomach pressure
  • Identifying food triggers that relax the LES (alcohol, caffeine, refined carbohydrates)

Adequate minerals, proper digestion, and nervous-system regulation often restore normal acid direction without suppressing stomach acid.

Stage 2: Chronic Inflammation of the Esophagus

What’s happening

Repeated acid exposure causes ongoing irritation, inflammation, and erosion of the esophageal lining—essentially a slow chemical injury.

How natural health approaches can help

The focus here shifts to soothing tissue, reducing inflammation, and improving mucosal defense, including:

  • Anti-inflammatory nutrition to calm irritated tissue
  • Support for gastric mucus production, which protects vulnerable lining
  • Stress modulation, as high sympathetic tone worsens reflux mechanics
  • Targeted nutrient support for tissue repair and epithelial resilience

By reducing repeated injury, the body is given the opportunity to heal rather than adapt pathologically.

Stage 3: Barrett’s Esophagus (Cellular Adaptation)

What’s happening

When acid exposure continues, the esophagus may adapt by replacing normal esophageal cells with stomach-like cells—a process called metaplasia, known clinically as Barrett’s esophagus.

This is not cancer, but it is a precancerous condition that increases long-term risk.

How nutritional and functional strategies can help

At this stage, the goal is to stop progression, not ignore the condition.

Supportive strategies may include:

  • Aggressive reflux control through lifestyle and nutrition
  • Correction of mineral deficiencies that weaken digestive sphincter control
  • Dietary patterns that reduce vascular and inflammatory stress
  • Ongoing monitoring in collaboration with appropriate medical evaluation

While cellular changes require medical oversight, functional care aims to remove the ongoing insult that drives further mutation.

Stage 4: Dysplasia and Cancer Risk

What’s happening

If cellular changes continue unchecked, dysplasia may develop, representing a higher-risk state prior to cancer.

Role of natural care

At this stage, medical management is essential, but nutritional and lifestyle strategies still play a supportive role by:

  • Reducing inflammatory load
  • Supporting immune surveillance
  • Improving overall metabolic and digestive resilience

Natural approaches do not replace medical care here—but they can complement it by addressing systemic contributors.

Warning Signs That Require Attention

Persistent reflux should never be ignored, especially when accompanied by:

  • Difficulty swallowing or food sticking
  • Chronic hoarseness, coughing, or throat clearing
  • A constant lump-in-the-throat sensation
  • Ulcers in the throat or mouth
  • Reflux unresponsive to antacids or PPIs
  • Unexplained weight loss, black stools, or vomiting blood (urgent evaluation required)

Nighttime reflux is particularly concerning due to prolonged acid exposure during sleep.

The Bottom Line

Heartburn is not the problem—directional acid flow is.

When addressed early, nutritional therapy, mineral support, meal timing, and natural digestive regulation can often correct reflux before permanent tissue changes occur. Once changes progress, early intervention still matters, as stopping ongoing injury reduces future risk.

Digestive health is not just about suppressing symptoms—it’s about restoring proper function before adaptation turns into disease.

For decades, dietary advice around brain health has leaned heavily toward low-fat recommendations. A new long-term Swedish study, however, adds nuance to that narrative—suggesting that certain fermented, higher-fat dairy products, particularly cheese and cream, may be associated with a lower risk of dementia, while others show no benefit or even potential risk.

The Study at a Glance

Researchers analyzed data from the Malmö Diet and Cancer cohort, following 27,670 adults aged 45–73 for an average of 25 years. Detailed dietary assessments were conducted at baseline, including food diaries, interviews, and questionnaires. Dairy intake was categorized by type and fat content.

During follow-up, 3,208 participants developed dementia, including Alzheimer’s disease (AD) and vascular dementia (VaD).

Key Findings

  • High-fat cheese (≥50 g/day) was associated with a lower risk of all-cause dementia and vascular dementia.
  • High-fat cream (≥20 g/day) was linked to about a 16% lower risk of all-cause dementia.
  • Butter intake (≥40 g/day) was associated with a higher risk of Alzheimer’s disease.
  • Low-fat dairy products (milk, low-fat cheese, low-fat cream, fermented milk) showed no consistent association with dementia risk.
  • The protective association between high-fat cheese and Alzheimer’s disease was observed only in individuals without the APOE ε4 genetic risk variant.

The study adjusted for numerous confounders, including age, sex, education, smoking, physical activity, alcohol use, BMI, hypertension, overall diet quality, and other dairy intake.

What This Study Does—and Does Not—Show

It is important to be clear: this was an observational study. It cannot prove cause and effect. Diet was measured only once, cognitive status at baseline was not assessed, and dementia diagnoses after 2014 were not fully validated.

In other words, this study does not demonstrate that eating cheese or cream prevents dementia.

What it does show is a consistent association that challenges the idea that higher-fat dairy is automatically harmful—and that not all dairy products behave the same metabolically or neurologically.

Why Fermented Dairy Stands Apart

A critical pattern emerges when the results are viewed carefully:
The potentially protective associations are specific to fermented dairy, not dairy fat in general.

Butter—despite being high in fat—showed an opposite association. Milk and low-fat dairy were largely neutral.

This points to the food matrix, not just fat content, as the relevant variable.

Fermented dairy products contain compounds that non-fermented products lack, including:

  • Vitamin K2 (menaquinones), particularly abundant in aged cheeses
  • Bioactive peptides formed during fermentation
  • Altered fatty acid profiles
  • Probiotic and postbiotic compounds
  • A distinct calcium–phosphorus matrix affecting vascular biology

These factors are increasingly studied for their roles in vascular health, inflammation, and gut–brain interactions—all relevant to dementia risk, especially vascular dementia.

Other Fermented Dairy Products Worth Mentioning

While this Swedish cohort focused largely on hard, fermented cheeses typical of Scandinavian diets, similar mechanisms may plausibly apply to other fermented dairy products, including:

  • Aged cheeses (e.g., Gouda, Edam, Cheddar, Jarlsberg)
  • Yogurt and kefir (especially full-fat, unsweetened varieties)
  • Cultured cream products (e.g., crème fraîche, sour cream)
  • Traditional fermented milks (depending on processing and bacterial strains)

That said, not all fermented dairy is equivalent. Sugar content, processing, bacterial strains, and fermentation duration matter—and results from one population cannot automatically be generalized to others.

The Role of Genetics and Personalization

One of the most important findings is that the reduced Alzheimer’s risk associated with high-fat cheese was seen only in people without the APOE ε4 allele, a known genetic risk factor for Alzheimer’s disease.

This strongly argues against one-size-fits-all dietary advice and supports a personalized nutrition approach, particularly for brain health.

A Measured Takeaway

This study does not overturn existing dietary guidance, nor does it justify recommending high-fat dairy as a preventive treatment for dementia.

What it does do is:

  • Challenge simplistic “low-fat equals safer” assumptions
  • Highlight the importance of fermentation and food structure
  • Reinforce that dairy products are not metabolically interchangeable
  • Support a growing body of evidence linking fermented foods to vascular and metabolic resilience

As the authors themselves note, cheese and cream are likely markers of a broader dietary and lifestyle pattern, rather than magic bullets.

In nutrition—as in neuroscience—context matters.

Week of: Monday July 28, 2025

Courtesy of:

John H. Keefe III, D.C.

(918) 663-1111

IN THE NEWS: Abdominal Fat Increases Psoriasis Risk in Women Psoriasis affects over 7.5 million adults in the U.S. and is now recognized as a full-body inflammatory disease, not just a skin disorder. New research shows that abdominal fat is a stronger predictor of psoriasis risk than overall body fat, especially in women. Even without genetic risk factors, women with high waist-to-hip ratios had increased psoriasis risk, proving lifestyle plays a major role in disease development. A separate 14-year study found that women who gained more weight over time — particularly around the abdomen — had a significantly greater chance of developing psoriatic arthritis. These findings confirm that reducing central obesity is a powerful, proactive step to reduce inflammation and lower your risk of both psoriasis and joint damage. Abdominal fat is more than a cosmetic concern — it’s a metabolic and immune disruptor. In conditions like psoriasis, targeting abdominal fat loss through diet, exercise, and metabolic support may be more important as any topical or pharmaceutical treatment.  JAMA Dermatol. 2021;157(8):940-946--Journal of Investigative Dermatology, May 27, 2025--Science Daily, May 27, 2025--News-Medical.net, May 27, 2025

WELLNESS: "Ultraviolet (UV) light has well-documented antimicrobial properties and is widely used in sterilization and disinfection of surfaces, air, and water. UVB light also plays a crucial role in human health by stimulating the production of vitamin D in the skin, which is essential for bone health, immune function, and overall well-being.  The Sunshine Spectrum: Using Ultraviolet Light Wisely--Ultraviolet (UV) light often gets a bad reputation—and for good reason when it’s overused. But like many natural tools, UV light can be a powerful force for good when used correctly. The Bright Side of UV Light, Vitamin D Boost – Just 5–15 minutes of sunshine on the arms and legs, a few times a week, can help your body produce this critical vitamin that supports bones, immunity, and mood. Mood and Sleep Support – UV exposure helps regulate your body’s natural sleep-wake cycle and may reduce symptoms of seasonal depression. Purification Uses – In safe, controlled settings, UV light is used to sterilize air, water, and surfaces—destroying harmful viruses and bacteria. The Risks of Overexposure, Skin Damage & Cancer Risk – Unprotected, prolonged sun exposure can lead to sunburn, premature aging, and increased risk of skin cancer. Eye Damage – UV light can harm the eyes over time, contributing to cataracts and other conditions. Safe & Smart UV Use, Enjoy sun responsibly—short, direct exposures during early morning or late afternoon hours are best.  Antioxidant-rich foods (e.g., berries, tomatoes, leafy greens, green tea, and omega-3s) improve the skin’s ability to handle UV stress.  Supplements like astaxanthin, vitamin C, and vitamin E have shown potential in supporting skin protection from within. Avoid tanning beds—they deliver high doses of UV radiation with serious health risks and little real benefit.  Limit direct sun exposure during peak UV hours (typically 10 AM to 3 PM).  Opt for early morning or late afternoon sun to gain benefits like vitamin D with less risk.

CHIROPRACTIC: Why Parents Are Turning to Chiropractic for Their Children When 4-year-old Mason kept getting ear infections, his mom Sarah grew tired of endless antibiotics. A neighbor suggested chiropractic care. Skeptical but desperate, she took him in—and within a few gentle treatments, the infections stopped. “I realized chiropractic wasn’t just about pain relief—it was about helping the body function better,” Sarah says. She’s not alone. More parents are choosing chiropractic care to help with common childhood conditions like: Ear infections--Colic and reflux—Constipation--Allergies and asthma--Postural issues and scoliosis. How It Works Chiropractic focuses on the nervous system. When spinal misalignments—called subluxations—interfere with nerve signals, they can contribute to many childhood health challenges. Gentle adjustments restore balance and allow the body to heal naturally. A study in the Journal of Manipulative and Physiological Therapeutics confirmed pediatric chiropractic care is both safe and effective, especially when performed by trained practitioners (Alcantara et al., 2009). Dr. Jeanne Ohm of the ICPA wrote: “Correcting nervous system interference helps the body function at its best. That’s what chiropractic offers children.” If your child struggles with recurring health issues—or you simply want to support their healthy development—chiropractic may be the natural, drug-free answer you’ve been looking for. https://icpa4kids.org/-- https://pubmed.ncbi.nlm.nih.gov/19480843/-- https://icpa4kids.org/Chiropractic-Research/ear-infections.html-- https://www.nccih.nih.gov/health/spinal-manipulation-what-you-need-to-know  

FUNNY BONE:  Unintentionally Funny Doctor Notes--"Patient has left white blood cells at another hospital."--"On the second day, the knee was better, and on the third day it disappeared."--"Patient was alert and unresponsive." (A Schrödinger’s diagnosis?)--"Skin: somewhat pale but present."--"The patient refused autopsy." (Good call, considering.)--"The patient has no previous history of suicide."--"She is numb from her toes down."--"Occasional, constant infrequent headaches."--"The patient lives at home with his mother, father, and pet turtle, who is presently enrolled in daycare three times a week."--"Discharge status: alive but without my permission." “Out of the Mouths of Babes…1. Q: What ended in 1896? A: 1895.--2. Q: Explain why the diagram below is a bar graph. A: Because it has bars.--3. Q: Name six animals that live specifically in the Arctic. A: Two polar bears and four seals.--4. Q: What is the highest frequency noise a human can register? A: Mariah Carey.

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New Study Highlights Risk-Based Screening — and the Role of Nutrition in Breast Health

A large new clinical trial published in the Journal of the American Medical Association (JAMA) is raising an important question: Do all women need annual mammograms, or should screening be tailored to individual risk?

The study does not suggest abandoning mammograms. Instead, it points toward a more personalized approach — while also reminding us that screening is only one part of breast-cancer prevention. Nutrition, inflammation control, metabolic health, and hormone balance play critical roles as well.


Overview of the Study: The WISDOM Trial

The WISDOM (Women Informed to Screen Depending on Measures of Risk) trial followed over 28,000 women aged 40–74 across the U.S.

Participants were divided into two groups:

Standard Screening Group

  • Annual mammograms for all women

Risk-Based Screening Group

Screening recommendations were based on:

  • Genetic testing (nine breast-cancer-related genes)
  • Family history
  • Hormonal and reproductive factors
  • Other health indicators

Based on risk:

  • High-risk women: Alternated mammograms and MRI every 6 months
  • Moderate risk: Annual mammograms
  • Average risk: Mammograms every 2 years
  • Low risk: Screening delayed until age 50 or until risk increased

Key Findings

  • No increase in advanced (stage 2B or higher) cancers in the risk-based group
  • Overall biopsy rates were not reduced, though distribution differed
  • High-risk women had more imaging and biopsies; low-risk women had fewer

Researchers concluded that risk-based screening was as safe as annual screening when measuring late-stage cancer outcomes.


Why Some Experts Urge Caution

Radiologists point out an important limitation:
The study did not fully assess whether early-stage cancers (stage 0–2A) were detected as effectively.

Over 60% of breast cancers are diagnosed at early stages, where cure rates exceed 90%. Detecting cancer earlier, not merely avoiding late-stage disease, is the primary value of screening.

Additionally, labeling women under 50 as “low risk” may be problematic, as breast cancer rates are rising in younger women.


Breast Health Is More Than Imaging

Regardless of screening frequency, breast-cancer risk is strongly influenced by metabolic, inflammatory, and hormonal factors — many of which are modifiable.

Nutritional Therapy for Breast Health

A breast-protective nutritional strategy focuses on reducing inflammation, improving estrogen metabolism, and supporting immune surveillance.

Key Dietary Principles

  • High-fiber diet (25–35 g/day) to support estrogen clearance
    • Vegetables, berries, legumes, ground flaxseed
  • Cruciferous vegetables (broccoli, cauliflower, Brussels sprouts, cabbage)
    • Support healthy estrogen detoxification pathways
  • Healthy fats, especially omega-3 fatty acids
    • Fatty fish, olive oil, walnuts
  • Adequate protein to support detoxification and immune repair
  • Limit ultra-processed foods, refined sugars, and alcohol, all of which increase estrogen and inflammation

Nutrients That Support Breast Tissue and Cellular Health

  • Vitamin D – Associated with lower breast-cancer risk and improved immune regulation
  • Iodine – Important for breast tissue integrity (deficiency is common)
  • Magnesium – Supports DNA repair and hormone balance
  • Omega-3 fatty acids – Reduce inflammatory signaling
  • Sulforaphane (from cruciferous vegetables) – Supports detoxification enzymes

All supplementation should be individualized, especially for women with prior breast findings.


Lifestyle Factors That Matter as Much as Screening

  • Maintain healthy body composition (excess body fat increases estrogen production)
  • Strength training and regular movement
  • Limit alcohol (even moderate intake raises breast-cancer risk)
  • Address insulin resistance and metabolic syndrome
  • Manage chronic stress, which affects immune surveillance and hormone signaling

Bottom Line

Risk-based mammography may be a safe alternative to annual screening for some women — but it does not replace the importance of early detection.

More importantly, screening alone does not prevent cancer. A comprehensive approach that includes nutrition, lifestyle, metabolic health, and individualized screening decisions offers the greatest long-term protection.

Women should make screening decisions in partnership with their healthcare provider, considering both imaging and modifiable risk factors.


Keefe Clinic

5016 S. 79th E. Avenue
Phone: 918-663-1111
Fax: 918-663-2129
Email: docjohn@keefeclinic.com

What They Are — Why They Form — How to Treat Them Safely

What Is a Corn?

A corn is an area of thickened, hardened skin that develops in response to repeated pressure or friction. Corns are the body’s way of protecting itself — but they can become painful and limit walking if left untreated.

Corns most commonly appear:

  • On the tops or sides of toes
  • Between toes
  • On pressure points of the foot

Why Corns Form (Root Cause)

Corns do not form randomly. They are caused by ongoing mechanical stress such as:

  • Tight or narrow shoes
  • High heels or stiff footwear
  • Toe crowding or deformities
  • Abnormal foot mechanics
  • Uneven weight distribution

Important:
If the pressure is not corrected, the corn will return — even if it is removed.


The 5 Key Elements of Treating Corns

1. Remove or Reduce Pressure (MOST IMPORTANT)

This is the foundation of treatment.

Helpful steps:

  • Wear shoes with a wide toe box
  • Avoid tight or rigid footwear
  • Use padding, gel toe caps, or spacers
  • Consider orthotics if foot mechanics contribute

Without pressure relief, treatment will fail.


2. Soften the Hardened Skin

Daily foot care helps reduce thickness safely.

  • Soak feet in warm water for 10–15 minutes
  • Optional additions:
    • Epsom salt
    • Diluted apple cider vinegar

This makes the corn easier to manage and less painful.


3. Gently Reduce Thickness (DO NOT CUT)

After soaking:

  • Use a pumice stone gently
  • Light pressure only
  • 2–3 times per week

⚠️ Do not cut, shave, or dig into a corn. This can cause infection.


4. Keep the Skin Soft and Healthy

Apply a moisturizing agent daily:

  • Coconut oil
  • Castor oil
  • Aloe vera

This prevents cracking and reduces irritation.


5. Monitor for Warning Signs

Seek professional care if you notice:

  • Increasing pain
  • Redness, swelling, or drainage
  • Bleeding or open skin
  • Corns that keep returning

What NOT to Do

  • Do not use razor blades or knives
  • Do not use harsh chemical “corn removers”
  • Do not ignore recurring corns

⚠️ Do NOT self-treat corns if you have:

  • Diabetes
  • Poor circulation
  • Neuropathy
  • A history of foot ulcers

These patients should always be evaluated professionally.


Corns vs. Calluses (Quick Difference)

  • Corns: Small, focused, often painful, pressure-related
  • Calluses: Larger, flatter, usually less painful

Long-Term Prevention

  • Wear properly fitted shoes
  • Maintain foot alignment and balance
  • Address gait or structural issues
  • Keep skin moisturized

Corns are often a mechanical problem, not just a skin problem.


Summary

Corns can usually be managed safely by reducing pressure, softening the skin, and gently maintaining the area. Long-term relief depends on correcting the cause — not just treating the surface.


Keefe Clinic

5016 S. 79th E. Avenue
Phone: 918-663-1111
Fax: 918-663-2129
Email: docjohn@keefeclinic.com

How everyday food choices shape long-term health

One of the most powerful tools for protecting long-term health does not come from a prescription pad or a medical procedure. It comes from the food choices made every day.

Large population studies consistently show that diet plays a major role in cancer risk, particularly cancers of the digestive tract, breast, uterus, kidney, and liver. In the United States alone, researchers estimate that tens of thousands of cancer cases each year are associated with poor dietary patterns — not genetics, not random chance, but long-term nutritional stress on the body.

The real issue: processed food, not food itself

Modern diets are increasingly dominated by:

  • highly processed foods,
  • refined carbohydrates,
  • added sugars,
  • sugar-sweetened beverages,
  • and frequent intake of red and processed meats.

These foods tend to promote:

  • chronic inflammation,
  • blood sugar instability,
  • excess body fat,
  • oxidative stress,
  • and impaired gut function.

Each of these factors has independently been linked to increased cancer risk.

Obesity and cancer: a metabolic problem

Excess body fat is not inert. Fat tissue acts like an endocrine organ, influencing hormones, inflammatory signaling, and immune function. Obesity has been associated with increased risk for at least 13 different types of cancer, including colorectal, postmenopausal breast, uterine, kidney, liver, and pancreatic cancers.

Sugar-sweetened beverages are one of the fastest ways to drive weight gain and metabolic dysfunction, while providing little to no nutritional benefit.

Why whole foods are protective

Whole, natural foods help support the body’s built-in defense and repair systems. Diets rich in:

  • vegetables,
  • fruits,
  • whole grains,
  • and minimally processed foods

provide:

  • fiber that supports digestion and toxin elimination,
  • antioxidants that help neutralize free radicals,
  • phytonutrients that assist in normal cell regulation,
  • and nutrients that support immune surveillance.

Fiber plays a particularly important role by feeding beneficial gut bacteria, reducing inflammatory byproducts, and helping the body eliminate excess hormones and metabolic waste.

A practical, natural eating strategy

Rather than focusing on restriction, a better approach is replacement.

Eat more of:

  • 7–9 servings of vegetables and fruits daily, especially leafy greens and cruciferous vegetables
  • Whole grains such as oats, brown rice, quinoa, and barley
  • Clean protein sources including fish, legumes, nuts, seeds, and moderate amounts of poultry
  • Healthy fats from olive oil, avocados, and nuts

Eat less of:

  • Processed and packaged foods
  • Sugary drinks and sweetened beverages
  • Refined carbohydrates
  • Red and processed meats

This type of diet supports:

  • stable blood sugar,
  • reduced inflammation,
  • healthier digestion,
  • and improved immune regulation — all important factors in cancer prevention.

Small changes, lasting impact

Cancer does not develop overnight. It reflects years of biological stress, inflammation, and imbalance. The encouraging reality is that consistent, modest dietary changes can significantly influence long-term risk.

Food does not guarantee perfect health, but it strongly shapes the internal environment in which health or disease develops.

Bottom line

You do not need extreme diets or fear-based nutrition rules. You need:

  • real food,
  • less processing,
  • balanced nutrition,
  • and consistency.

Eating well is not about perfection. It is about giving your body the raw materials it needs to repair, defend, and regulate itself naturally.


Dr. John H. Keefe III, DC
Keefe Clinic
5016 S. 79th E. Avenue
Tulsa, OK 74145

Phone: 918-663-1111
Fax: 918-663-2129
Email: docjohn@keefeclinic.com

A stroke is a true medical emergency. Brain tissue depends on a constant supply of oxygenated blood, and when that supply is interrupted—even briefly—permanent damage can occur. Rapid recognition and immediate emergency care can be the difference between recovery and lifelong disability.

Legitimate Stroke Warning Signs

The following symptoms are well-established in neurology and emergency medicine and should prompt an immediate call to 911:

  • Sudden weakness or numbness on one side of the body
  • Facial drooping, especially on one side
  • Slurred speech or difficulty understanding speech
  • Sudden difficulty reading or speaking
  • Loss of peripheral vision or sudden visual changes
  • Difficulty walking, dizziness, or loss of balance
  • Sudden, severe headache often described as “the worst headache of one’s life”

These are not subtle symptoms and should never be ignored.


Simple At-Home Stroke Screening Tests (FAST and Beyond)

You are already using several clinically valid screening maneuvers. Here is the complete, evidence-based set, including the ones you mentioned:

1. Arm Drift Test

Ask the person to raise both arms straight out and hold them up.

  • Stroke sign: One arm drifts downward or cannot be held up equally.

2. Facial Smile Test

Ask the person to smile.

  • Stroke sign: One side of the face droops or the smile is uneven.

3. Speech Test

Ask the person to repeat a simple sentence.

  • Stroke sign: Slurred speech, wrong words, or inability to speak clearly.

4. Cheek Puff / Air-Hold Test (what you already do)

Ask them to puff out their cheeks or hold air in their mouth.

  • Stroke sign: Air leaks from one side due to facial muscle weakness.

5. Tongue Deviation Test

Ask them to stick out their tongue.

  • Stroke sign: Tongue deviates to one side.

6. Hand Grip Strength Test

Ask them to squeeze both of your hands.

  • Stroke sign: One side is noticeably weaker.

7. Eye Gaze Test

Ask them to follow your finger with their eyes.

  • Stroke sign: One eye does not track properly or vision is impaired.

The FAST Rule (Public Health Standard)

Most emergency medicine uses the FAST acronym:

  • F – Face drooping
  • A – Arm weakness
  • S – Speech difficulty
  • T – Time to call 911

Time matters. Do not drive yourself or wait to see if symptoms pass.

Every year around Christmas and New Year’s, hospitals see a predictable spike in heart attacks and heart rhythm disturbances. In fact, cardiologists report that Christmas Eve is the single highest-risk day of the year for cardiac events.

This seasonal pattern is so consistent it has a name: Holiday Heart Syndrome.

What causes “holiday heart”?

Holiday heart syndrome is driven less by cold weather alone and more by temporary but intense lifestyle changes, including:

  • Binge drinking or excessive alcohol intake
  • Overeating, especially salty and inflammatory foods
  • Dehydration
  • Reduced physical activity
  • Emotional, financial, and travel-related stress
  • Poor sleep

These factors increase inflammation, thicken the blood, disrupt electrolytes, raise blood pressure, and stress the nervous system — all of which can trigger atrial fibrillation, plaque rupture, or even heart attack.

Cold weather adds another layer by causing vasoconstriction (narrowing of blood vessels), which raises cardiac workload and increases risk when inflammation is already high.

Why inflammation matters more than cholesterol

While cholesterol has long been blamed for heart disease, modern research increasingly shows that chronic inflammation is the true driver. Cholesterol often appears at sites of arterial injury as part of the body’s repair response.

During the holidays, inflammatory load rises rapidly due to:

  • Alcohol
  • Sugar and refined carbohydrates
  • Processed foods
  • Stress hormones (cortisol, adrenaline)
  • Sleep deprivation

This inflammatory surge destabilizes plaques and disrupts heart rhythm — explaining why cardiac events cluster around holidays.

Natural strategies to protect your heart during the holidays

The good news: holiday heart syndrome is largely preventable. Small, consistent actions can dramatically lower risk.

1. Stay hydrated

Dehydration thickens the blood and worsens arrhythmia risk. Aim for steady water intake throughout the day, especially if consuming alcohol or salty foods.

2. Support electrolyte balance

Magnesium and potassium are critical for normal heart rhythm. Deficiency increases the risk of atrial fibrillation and palpitations.

Natural sources include:

  • Magnesium: pumpkin seeds, almonds, leafy greens
  • Potassium: avocados, sweet potatoes, spinach

3. Prioritize omega-3 fatty acids

Omega-3s reduce inflammation, stabilize heart rhythms, and improve blood vessel function.

Sources include:

  • Salmon, sardines, mackerel, anchovies
  • Quality omega-3 supplements when needed

Low omega-3 levels are associated with arrhythmias, heart attacks, and sudden cardiac death.

4. Keep moving — even modestly

You don’t need a full workout routine. 5,000–10,000 steps per day, light resistance exercises, or short walks after meals help regulate blood sugar, blood pressure, and inflammation.

Movement also lowers stress hormones.

5. Moderate alcohol intake

Binge drinking is one of the strongest triggers for holiday atrial fibrillation. Alcohol directly irritates heart tissue and depletes magnesium.

If drinking, keep intake modest and alternate with water.

6. Manage stress at the nervous system level

Stress is not just emotional — it is neurological. Techniques that calm the autonomic nervous system reduce heart strain:

  • Deep nasal breathing
  • Gentle stretching
  • Prayer or quiet reflection
  • Adequate sleep (often overlooked during holidays)

Chronic sympathetic (“fight or flight”) dominance is strongly linked to heart disease and rhythm disorders.

The takeaway

Holiday heart events are not random. They are the predictable result of temporary inflammation overload combined with stress, dehydration, and rhythm disruption.

Protecting your heart during the holidays doesn’t require perfection — just awareness and balance. Small steps taken consistently can dramatically reduce risk and help you enjoy the season with peace of mind.

If you have a history of palpitations, arrhythmia, high blood pressure, or heart disease — or if you want a more personalized, natural approach to cardiovascular health — speak directly with Doctor Keefe.


Keefe Clinic
5016 S. 79th E. Avenue
Phone: 918-663-1111
Fax: 918-663-2129
Email: docjohn@keefeclinic.com

A recent global analysis published in Nutrition Research Reviews found that approximately 76% of people worldwide are deficient in omega-3 fatty acids, particularly EPA and DHA—two fats essential for cardiovascular health. This widespread deficiency may help explain why heart disease remains the leading cause of death, despite decades of focus on cholesterol levels alone.

Omega-3 fatty acids play a critical role in regulating inflammation, stabilizing heart rhythms, lowering triglycerides, supporting blood vessel health, and protecting brain and eye function. When omega-3 intake is low, inflammation tends to rise—setting the stage for arterial damage, plaque instability, and increased cardiovascular risk.

Inflammation: the real driver of heart disease

For many years, cholesterol was framed as the primary cause of heart disease. We now know the picture is more complex. Cholesterol itself is not inherently harmful—it is a repair molecule the body uses to patch damaged blood vessels. The real problem is why those vessels are damaged in the first place.

That culprit is chronic inflammation.

Inflammation injures the arterial lining, making it vulnerable to plaque formation. Cholesterol then accumulates at those injury sites, not as the cause, but as part of the body’s attempted repair process. Without addressing inflammation, simply lowering cholesterol does not resolve the underlying problem.

Omega-3 fatty acids are among the most powerful dietary anti-inflammatory agents known. Adequate levels help calm inflammatory signaling, improve endothelial function, and reduce the risk of clot formation and arrhythmias.

Food sources and supplementation

The richest natural sources of EPA and DHA are oily fish, including salmon, sardines, mackerel, herring, anchovies, and trout. Many people benefit from eating these fish several times per week. For those who do not consume fish regularly, high-quality omega-3 supplements can be helpful, ideally guided by lab testing such as the omega-3 index.

An omega-3 index around 8% is associated with lower cardiovascular risk, while levels below 4% are considered low.

Other anti-inflammatory foods that support heart health

Omega-3s work best as part of a broader anti-inflammatory diet. Helpful foods include:

  • Extra virgin olive oil
  • Leafy green vegetables (spinach, kale, arugula)
  • Berries (blueberries, strawberries, raspberries)
  • Turmeric and ginger
  • Nuts and seeds (especially walnuts and flax)
  • Magnesium-rich foods (pumpkin seeds, almonds, legumes)

The takeaway

Heart disease is not simply a cholesterol problem—it is primarily an inflammatory problem. Omega-3 deficiency is widespread and directly contributes to that inflammatory burden. Correcting it, alongside an anti-inflammatory diet and lifestyle, addresses the root cause rather than chasing numbers on a lab report.

Reducing inflammation restores balance. And balance is where true heart health begins.

As a new, more aggressive flu strain circulates this winter, many people are asking an important question: Is relying on the flu shot alone enough? Increasingly, both doctors and independent researchers are saying the answer is no — especially when vaccine effectiveness is inconsistent and immune systems are already under strain.

What Doctors Say About This Year’s Flu

Medical experts agree that this flu season is shaping up to be difficult. The dominant strain, Influenza A (H3N2, subclade K), has been associated with more severe symptoms and faster spread. Public health officials continue to recommend vaccination, noting that it may reduce hospitalization and severity for some individuals.

However, even physicians acknowledge a key limitation: this year’s vaccine is not a strong match for the dominant strain, which may reduce its overall effectiveness.

“The vaccine is important, but because it’s not perfectly aligned with this variant, that may be contributing to the severity of cases we’re seeing.”
— Dr. Neil Maniar, Northeastern University, Public Health

Independent Research Raises Important Questions

Independent reviews of flu vaccine performance over many years show that consistent, high-level protection has been elusive.

A widely cited BMJ review concluded:

“Evidence for consistent high-level protection is elusive.”
— BMJ, 2012;345:e7856

The same analysis found that while the flu vaccine may offer modest protection in young, healthy adults, evidence of strong protection in older adults — who account for the majority of flu-related deaths — is limited.

Cochrane Database systematic review also found that vaccinating healthcare workers did not significantly reduce laboratory-confirmed influenza in elderly nursing-home residents, calling into question claims that widespread vaccination alone reliably protects vulnerable populations.
(Cochrane Database of Systematic Reviews, 2010; CD005187)

These findings do not mean the flu shot has no value — but they do suggest that vaccination alone is not sufficient, especially in years of strain mismatch.


Why Immune Resilience Matters More Than Ever

Instead of viewing immunity as something delivered by a single intervention, many clinicians are emphasizing direct immune system support — strengthening the body’s ability to respond effectively to infection.

This approach does not replace medical care, but complements it, particularly during high-stress, low-sleep winter months.


Natural Healthcare Strategies That Support Immune Function

1. Prioritize Sleep (Non-Negotiable)

Sleep is one of the strongest predictors of immune response. Studies show that people who sleep less than six hours per night are significantly more likely to get sick after viral exposure.

  • Aim for 7–9 hours per night
  • Keep a consistent sleep schedule
  • Avoid screens 60 minutes before bed

2. Support Nutrition — Especially Protein and Micronutrients

Immune cells are protein-dependent and micronutrient-dependent.

Key nutrients include:

  • Zinc (immune signaling)
  • Vitamin A (mucosal immunity)
  • Vitamin D (immune regulation)
  • Magnesium (stress buffering)
  • B-vitamins (energy metabolism)

Whole foods — eggs, fish, meat, vegetables, bone broth — provide these nutrients more reliably than ultra-processed diets.

3. Keep the Neck and Upper Chest Warm

Traditional medicine and modern physiology agree: cold exposure around the neck and upper chest can reduce local blood flow and immune responsiveness, especially to the throat and respiratory tract.

  • Scarves matter
  • Avoid cold drafts on the neck
  • Protect the upper spine and shoulders

4. Maintain Indoor Humidity

Dry winter air weakens the respiratory mucosa — the body’s first line of defense.

Research shows that maintaining indoor humidity around 40–60%:

  • Improves mucosal barrier function
  • Reduces viral survival in the air
  • Supports ciliary clearance in the lungs

A simple humidifier can make a measurable difference.

5. Reduce Inflammatory Load

High sugar intake, chronic stress, dehydration, and ultra-processed foods all impair immune signaling.

Helpful steps include:

  • Adequate hydration
  • Limiting refined sugars
  • Stress regulation (breathing, light movement)
  • Gentle daily activity instead of sudden intense exertion

A Balanced, Informed Approach

Many physicians still recommend the flu shot, particularly for high-risk individuals. But growing evidence supports a broader view: immune resilience is built daily, not injected once per year.

In seasons where vaccine strain matching is imperfect, strengthening the body’s innate and adaptive immune responses may be just as important — if not more so — than vaccination alone.

This is not about rejecting medicine. It is about using all available tools, including nutrition, sleep, stress regulation, and environmental support, to improve outcomes during a challenging flu season.


References

  • Jefferson T et al., BMJ 2012;345:e7856
  • Thomas RE et al., Cochrane Database Syst Rev. 2010; CD005187
  • CDC Influenza Vaccine Effectiveness Reports
  • Mayo Clinic Proceedings — Sleep and Immune Function
  • NIH — Humidity and Respiratory Defense

For years, people with digestive trouble have been told to avoid bread altogether. The common belief is that bread slows digestion, worsens bloating, and contributes to constipation.

New research suggests that belief is only partly true.

According to recently published dietary guidelines from King’s College London, one type of bread stands out as an exception: rye bread.

What the Research Found

In what researchers described as the first evidence-based dietary guidelines for adults with chronic constipation, investigators reviewed data from multiple clinical trials examining diet and bowel function.

Surprisingly, the foods with the strongest evidence for improving constipation were:

  • Kiwi fruit
  • Mineral water
  • Rye bread

In studies comparing rye bread to white bread, only rye bread improved stool frequency and consistency. White bread either had no effect or worsened constipation.

Dr. Roshini Raj, a New York–based gastroenterologist, explained why:

“Rye bread contains both soluble and insoluble fiber. This adds bulk to stool and draws water into the intestine, which improves motility.”

White bread, by contrast, is made from refined flour that has had fiber removed — a known contributor to sluggish bowels.

Why Rye Works Differently Than Other Breads

Rye is structurally different from wheat. It contains:

  • Higher total fiber content
  • A mix of soluble fiber (feeds gut bacteria) and insoluble fiber (adds stool bulk)
  • A lower glycemic index than most wheat breads

Rye also provides minerals such as magnesium, zinc, iron, and B vitamins, which support nerve signaling, muscle contraction, and energy metabolism — all relevant to healthy digestion.

According to naturopathic doctor Debra Muth:

“Rye stabilizes blood sugar, feeds the microbiome, and supports motility instead of shutting it down.”

Important Caveat: Not Everyone Tolerates Grains Well

While rye bread can be helpful, it is not appropriate for everyone.

Certain body types and metabolic patterns — including individuals with blood sugar instability, insulin resistance, adrenal stress, or thyroid-dominant metabolism — often do poorly with high carbohydrate intake, even from whole grains.

For these individuals:

  • Grains may worsen bloating or fatigue
  • Blood sugar swings can slow gut motility
  • Grain fiber may irritate rather than help digestion

In these cases, constipation often responds better to vegetables, healthy fats, hydration, and mineral balance, rather than added grain.

The Key Is Moderation and Individual Fit

For people who tolerate carbohydrates reasonably well, small amounts of whole-grain rye bread can support digestion — especially when paired with:

  • Adequate water intake
  • Protein and healthy fats
  • A diet rich in vegetables

For others, especially those who feel sluggish, sleepy, or bloated after eating bread, grain reduction or elimination may be necessary, even if rye is technically “healthier.”

How to Choose the Right Rye Bread

If you decide to try rye bread:

  • Look for bread made primarily with rye flour, not wheat dyed brown
  • Introduce it slowly to avoid bloating
  • Pay attention to energy levels, digestion, and stool consistency

As Dr. Raj cautioned, fiber increases should always be gradual, and hydration is essential.

Bottom Line

Rye bread is one of the few breads shown in clinical research to improve constipation — but it is not a universal solution.

Digestive health depends on individual physiology, not one-size-fits-all advice. For some, rye bread can help “keep things moving.” For others, limiting grains altogether may be the better path.

Listening to your body — and adjusting diet accordingly — matters more than following dietary trends.


References

  • King’s College London. Evidence-based dietary guidelines for chronic constipation (2025)
  • Dimidi E. et al. Clinical Nutrition Reviews
  • Raj R., MD. Gastroenterology commentary, Fox News Digital
  • Muth D., ND. Functional nutrition commentary
  • Slavin J. Dietary fiber and bowel function. Nutrition (2013)

As winter storms sweep across the country, cardiologists are warning that snow shoveling may pose a serious — and often underestimated — risk to heart health, especially for middle-aged and older adults.

Research shows that heavy snow removal can place sudden and extreme strain on the cardiovascular system, sometimes comparable to a medical stress test performed in a hospital setting.

Why Snow Shoveling Is Risky for the Heart

A 2025 Mayo Clinic review found that just 10 minutes of heavy snow shoveling can raise heart rate to nearly 97% of maximum capacity in some individuals. Cold exposure further compounds the risk by:

  • Constricting blood vessels
  • Raising blood pressure
  • Reducing coronary blood flow

Together, these factors can sharply increase the risk of heart attack, arrhythmia, or stroke, particularly in people who are not regularly active.

“It’s almost like putting yourself through an unsupervised maximal cardiac stress test,” said Dr. Navjot Kaur Sobti, an interventional cardiologist at Northwell Health.

Is There an Age Cutoff?

There is no official age at which a person is “too old” to shovel snow. However, cardiologists urge extra caution after age 45, especially for:

  • Men over 65
  • People with high blood pressure, diabetes, high cholesterol, or obesity
  • Those with a history of heart attack, stroke, bypass surgery, or angioplasty
  • Sedentary individuals who rarely exercise

Dr. John Osborne, a cardiologist and American Heart Association volunteer, notes that many winter cardiac emergencies occur in people who are usually inactive but suddenly attempt heavy exertion.

Cold Weather Adds an Extra Layer of Risk

Cold temperatures alone increase cardiovascular strain. A large study published in the Annals of Internal Medicine (2024) found that cold exposure causes nearly twice as many cardiovascular deaths as heat exposure, with adults over 65 at the highest risk.

Warning Signs Not to Ignore

Stop immediately and seek medical help if any of the following occur while shoveling:

  • Chest pain or pressure
  • Shortness of breath
  • Dizziness or lightheadedness
  • Palpitations or irregular heartbeat
  • Pain radiating to the arm, jaw, or back

Safer Snow-Removal Tips

If shoveling cannot be avoided, cardiologists recommend:

  • Shoveling smaller amounts more frequently
  • Using a pushing or sweeping motion instead of lifting
  • Taking frequent breaks
  • Avoiding breath-holding (Valsalva maneuver)
  • Wearing warm layers, gloves, and face covering
  • Avoiding shoveling in strong winds or extreme cold

Snow blowers reduce strain but still elevate heart rate, according to the American Heart Association.


Natural and Supportive Heart-Health Strategies (Complementary Care)

These approaches may help reduce baseline cardiovascular stress during winter months:

1. Hydration and Electrolyte Balance

Cold weather reduces thirst, but dehydration increases blood viscosity and cardiac workload. Adequate fluid intake supports circulation and blood pressure stability.

2. Magnesium Support

Magnesium plays a role in:

  • Blood vessel relaxation
  • Heart rhythm stability
  • Blood pressure regulation

Low magnesium levels are associated with hypertension and arrhythmias. Dietary sources include leafy greens, nuts, seeds, and legumes. Supplementation should be discussed with a healthcare provider.

3. Omega-3 Fatty Acids

Omega-3s support:

  • Anti-inflammatory pathways
  • Improved endothelial function
  • Reduced risk of arrhythmias

Found in fatty fish (salmon, sardines) and fish oil supplements.

4. Gentle Conditioning Before Winter

Light, regular activity (walking, resistance bands, mobility exercises) before winter storms improves cardiovascular resilience and reduces shock from sudden exertion.

5. Breathing Control

Slow nasal breathing helps prevent sudden blood-pressure spikes and reduces strain during physical effort.


The Bottom Line

Snow shoveling is not a harmless winter chore — it is a high-intensity cardiovascular event for many people. Age, inactivity, cold exposure, and underlying heart risk factors all combine to increase danger.

If you are unsure about your heart health, delegating snow removal or using mechanical assistance may be the safest choice.

Protecting your heart this winter means respecting its limits — not testing them unexpectedly.


References

  1. Mayo Clinic Proceedings (2025). Cardiovascular responses to snow shoveling and cold exposure.
  2. Annals of Internal Medicine (2024). Cold and heat exposure and cardiovascular mortality.
  3. American Heart Association. Snow shoveling and heart attack risk.
  4. Sobti NK et al. Northwell Health cardiology interviews (2025).
  5. Osborne J, MD. American Heart Association commentary (2025).

Anxiety disorders affect millions of people, and new research is exploring whether nutrition may play a supporting role in brain chemistry related to stress and emotional regulation. A recent analysis suggests that people with certain anxiety disorders may have lower levels of choline in specific brain regions, but experts caution against oversimplifying the findings.

What the Research Found

Researchers at UC Davis Health analyzed data from 25 previously published brain-imaging studies, comparing 370 individuals with anxiety disorders to 342 individuals without anxiety. Using a non-invasive MRI technique called magnetic resonance spectroscopy, they measured brain metabolites rather than blood nutrient levels.

Across the combined studies, individuals with generalized anxiety disorder, panic disorder, and social anxiety disorder showed an average of about 8% lower choline levels in brain regions involved in thinking, emotional regulation, and stress response.¹

Although an 8% difference may seem small, researchers noted that even modest changes in brain chemistry can be meaningful, particularly in regions that help regulate emotional balance.

What Is Choline and Why It Matters

Choline is an essential nutrient, meaning the body produces only small amounts and must obtain the rest from food. It plays an important role in:

  • Cell membrane structure
  • Neurotransmitter production (especially acetylcholine)
  • Memory and cognitive function
  • Nervous system development and maintenance

Choline is found in foods such as eggs, beef, poultry, fish, soybeans, and dairy products

National surveys show that most Americans do not meet recommended choline intake levels, including children and older adults.³

Cause or Consequence?

Importantly, the study does not prove that low choline causes anxiety. The researchers themselves emphasized this point.

One hypothesis is that chronic stress and heightened threat responses in anxiety disorders may increase the brain’s metabolic demand for choline, gradually lowering its levels. In this view, low choline may be a marker of metabolic strain, not the root cause of anxiety.¹

Psychiatrists and nutrition experts interviewed in response to the findings agree that anxiety is multifactorial, involving genetics, life experiences, neurobiology, and environmental stressors—not a single nutrient deficiency.⁴⁻⁶

Should People Take Choline Supplements?

At this stage, experts say no.

While choline is essential, high-dose supplementation can cause side effects, including gastrointestinal distress, low blood pressure, and fishy body odor.⁷ Researchers stressed that it is too early to recommend choline supplements as a treatment for anxiety.

Instead, clinicians suggest reviewing overall diet quality and ensuring adequate intake of brain-supporting nutrients as part of general health guidance, especially for individuals under chronic stress.

Nutrition Is One Piece of a Larger Puzzle

Other nutrients—such as vitamin D, omega-3 fatty acids, magnesium, and B vitamins—have also been linked to mood and anxiety regulation in previous studies.⁸ Nutrition may help support resilience and metabolic balance, but it is not a substitute for evidence-based anxiety treatments, including therapy and, when appropriate, medication.

A balanced diet that includes whole foods like eggs, fish, dairy, vegetables, and healthy fats may support overall brain health, regardless of anxiety status.

Bottom Line

This research highlights a consistent association between anxiety disorders and lower choline levels in key brain regions—but it does not show that choline deficiency causes anxiety or that supplementation is a cure.

The findings open the door for future research into how stress, metabolism, and nutrition interact in the brain, while reinforcing an important principle: mental health is complex, and no single nutrient explains it all.


References

  1. Maddock RJ, Smucny J, et al. Reduced brain choline in anxiety disorders: A meta-analysis using magnetic resonance spectroscopy. Biological Psychiatry. 2025.
  2. Zeisel SH, da Costa KA. Choline: an essential nutrient for public health. Nutrition Reviews. 2009;67(11):615–623.
  3. Wallace TC, Fulgoni VL. Usual choline intakes are below recommendations for most Americans. Journal of the American College of Nutrition. 2016;35(8):709–717.
  4. Stein MB, Sareen J. Clinical practice: generalized anxiety disorder. New England Journal of Medicine. 2015;373:2059–2068.
  5. Kocher N. Clinical commentary on metabolic stress and anxiety. Psychiatric Practice Review. 2025.
  6. Manaker L. Nutrition and mental health: separating correlation from causation. Journal of Nutrition & Dietetics. 2024.
  7. Institute of Medicine. Dietary Reference Intakes for Choline. National Academies Press, 1998.
  8. Sarris J, et al. Nutritional medicine as mainstream in psychiatry. The Lancet Psychiatry. 2015;2(3):271–274.

Energy drinks are often marketed as harmless performance boosters, but a recent medical case highlights how excessive consumption can carry serious health risks.

Doctors in the United Kingdom reported that a 50-year-old man suffered a stroke after regularly consuming large amounts of energy drinks, according to a case study published in BMJ Case Reports by clinicians at Nottingham University Hospitals.¹ The man had been generally healthy prior to the event.

What Happened

The patient arrived at the hospital with left-sided weakness, numbness, and poor coordination (ataxia). Brain imaging confirmed an ischemic thalamic stroke, meaning blood flow to a deep brain structure was interrupted.¹

On admission, his blood pressure was markedly elevated. Although it was temporarily controlled during hospitalization, it rose again after discharge—even while he was taking multiple antihypertensive medications.¹

The Energy Drink Connection

During further evaluation, the patient disclosed that he had been consuming eight energy drinks per day, each containing approximately 160 mg of caffeine. That amounts to about 1,280 mg of caffeine daily, far exceeding the commonly cited safe upper limit of 400 mg per day for adults

After discontinuing caffeine and energy drink consumption, the patient’s blood pressure normalized, and physicians were able to stop his blood-pressure medications.¹

Why Caffeine Matters

Caffeine is a central nervous system stimulant known to increase blood pressure, heart rate, and vascular tone, especially at high doses. Acute and chronic excessive caffeine intake has been associated with hypertension, arrhythmias, and increased stroke risk in susceptible individuals.³⁻⁵

Energy drinks pose a particular concern because they:

  • Deliver large caffeine doses quickly
  • Often contain additional stimulants (e.g., taurine, guarana)
  • Are frequently consumed multiple times per day

The case authors emphasized that caffeine intake is often not routinely documented during hospital admissions, potentially delaying diagnosis of stimulant-related cardiovascular effects.¹

Expert Perspective

Commenting on the case, medical experts noted that very high caffeine intake can substantially elevate blood pressure, which is a well-established risk factor for ischemic stroke.⁴

Sustained hypertension places stress on cerebral blood vessels and increases the likelihood of vascular injury, particularly in middle-aged and older adults.

Key Takeaways

  • Energy drinks are not risk-free, especially in large quantities.
  • Chronic high caffeine intake can significantly raise blood pressure.
  • Hypertension is a major risk factor for stroke and cardiovascular disease.
  • Energy drink consumption should be specifically assessed in patients with unexplained high blood pressure.
  • Reducing or eliminating excessive caffeine intake can rapidly improve blood pressure in some individuals.

A Word of Caution

This case does not suggest that occasional energy drink use will cause a stroke. However, it clearly demonstrates that habitual, high-dose consumption can have serious consequences, even in individuals without known cardiovascular disease.

Monitoring caffeine intake, reading labels carefully, and staying within established safety limits are simple steps that may significantly reduce health risks.


References

  1. BMJ Case Reports
    Nottingham University Hospitals NHS Trust. Ischemic stroke associated with excessive energy drink consumption. BMJ Case Rep. 2025.
  2. U.S. Food & Drug Administration (FDA)
    Spilling the Beans: How Much Caffeine Is Too Much?
    https://www.fda.gov/food/food-additives-petitions/spilling-beans-how-much-caffeine-too-much
  3. Nawrot P, et al. Effects of caffeine on human health. Food Additives & Contaminants. 2003;20(1):1–30.
  4. Mesas AE, et al. Coffee consumption and blood pressure. American Journal of Clinical Nutrition. 2011;94(4):1113–1126.
  5. Higgins JP, et al. Energy beverages: content and safety. Mayo Clinic Proceedings. 2010;85(11):1033–1041.
5 Ingredient Hot Chocolate Recipe

Hot chocolate is a winter favorite, but recent headlines claim it may weaken bones because of its sugar content. Like many nutrition stories, the truth is more nuanced. Sugar intake does matter for bone health—but hot chocolate itself is not the real culprit. The larger issue is overall diet pattern, not an occasional warm drink.

The Sugar–Bone Connection: What’s Supported

There is solid evidence that chronically high sugar intake can negatively affect bone health.

Research shows that diets high in added sugars can increase the loss of calcium and magnesium through urine, two minerals essential for strong bones. Excess sugar is also linked to systemic inflammation, which can interfere with the bone remodeling process—where old bone is broken down and replaced with new bone.

A 2018 review in Nutrients found that high sugar consumption was associated with reduced bone mineral density and increased osteoporosis risk, particularly when combined with low intake of calcium, magnesium, and vitamin D.¹

Sugary beverages are especially problematic because they deliver large amounts of sugar without fiber, protein, or micronutrients that slow absorption.

Conclusion so far:
Yes—a long-term high-sugar diet can weaken bones, especially if it displaces nutrient-dense foods.

Where the Claim Goes Too Far

The idea that hot chocolate itself weakens bones oversimplifies the issue.

Hot chocolate is often made with milk, which contains calcium, phosphorus, and protein—all beneficial for bone health. A single cup of milk provides about 300 mg of calcium, roughly 25–30% of daily needs for adults.²

The problem arises not from cocoa or milk, but from added sugar, especially in pre-packaged mixes that can contain 20–60 grams of sugar per serving—sometimes more than a candy bar.

However, nutrition science does not support the idea that an occasional high-sugar food causes meaningful bone loss in otherwise healthy individuals. Bone density changes occur over years, not days.

As the National Osteoporosis Foundation notes, overall dietary pattern, physical activity, vitamin D status, and hormone balance play much larger roles than individual foods.³

Cocoa Itself May Be Bone-Friendly

Ironically, unsweetened cocoa may actually support bone health.

Cocoa contains flavanols, plant compounds shown to reduce inflammation and oxidative stress. Some studies suggest flavonoids may help preserve bone density by supporting osteoblast activity (cells that build bone).⁴

A 2020 review in Journal of Nutritional Biochemistry reported that polyphenols from cocoa may have protective effects on bone metabolism when consumed as part of a balanced diet.⁵

The key distinction is unsweetened cocoa vs. sugar-loaded mixes.

What Really Matters for Bone Health

Bone strength depends on several well-established factors:

  • Adequate calcium intake
  • Sufficient vitamin D
  • Magnesium and vitamin K
  • Regular weight-bearing exercise
  • Low chronic inflammation
  • Avoiding excess sugar and ultra-processed foods

No single food makes or breaks bone health.

A Practical Takeaway

  • Occasional hot chocolate is unlikely to harm bone health in people with a balanced diet.
  • Daily high-sugar drinks, especially when replacing nutrient-rich foods, can contribute to bone loss over time.
  • Homemade hot chocolate using unsweetened cocoa, milk (or fortified alternatives), and minimal sweetener can provide benefits without the downside.
  • Bone health is about patterns, not treats.

Bottom Line

The claim that hot chocolate “weakens bones” is partly true but overstated.
Sugar excess is the real issue—not cocoa, not milk, and not the occasional winter drink.


References

  1. Ma, Y. et al. (2018). Dietary sugar intake and bone health: A systematic review. Nutrients, 10(7), 925.
  2. NIH Office of Dietary Supplements. Calcium Fact Sheet for Health Professionals.
  3. National Osteoporosis Foundation. Nutrition and Bone Health Guidelines.
  4. Puel, C. et al. (2004). Flavonoids and bone health. Journal of Nutrition Biochemistry, 15(7).
  5. Weaver, C.M. et al. (2020). Polyphenols and bone metabolism. Journal of Nutritional Biochemistry, 75.

As cities grow larger and space becomes tighter, one question keeps coming up: how will we grow fresh food close to where people live? A futuristic project unveiled at Expo 2025 in Osaka, Japan offers one possible answer—a compact, self-contained food dome that works like a miniature ecosystem.

Known as the “Source of Life” dome, this structure shows how food production could move onto rooftops, schools, and apartment buildings instead of relying only on distant farms.

A Mini Ecosystem Under One Roof

At first glance, the dome looks like a small greenhouse. Inside, however, it functions as a fully integrated food system. Fish, plants, microbes, water, and sunlight all work together in a closed loop that produces almost no waste.

The dome is about 21 feet tall and is built around four water zones:

  • Seawater
  • Brackish water
  • Freshwater
  • Clean return water

Each zone supports different types of fish. As the fish produce waste, naturally occurring microbes convert that waste into nutrients plants can use. Those nutrients are then pumped upward to stacked plant layers.

Above the water tanks, plants grow in hydroponic tiers, meaning no soil is required. Salt-tolerant greens grow above seawater. Tomatoes and other vegetables thrive above brackish water. Herbs and lettuce grow above freshwater fish. Edible flowers sit at the top, where sunlight is strongest.

The design mirrors how ecosystems transition from ocean to land in nature.

How the System Stays Balanced

The dome uses transparent ETFE panels to let in sunlight while keeping temperatures stable. Water continuously cycles upward to feed plants and then flows back down, cleaned by plant roots and microbes before returning to the fish tanks.

Because everything is reused—water, nutrients, and energy—the system needs very little outside input once it is running. There is no soil depletion, no fertilizer runoff, and no dependence on weather.

Why This Matters for Cities

If systems like this can be scaled, cities could shift food production from large, distant farms to many small local sites. Rooftops, schoolyards, and unused urban spaces could all become food sources.

This approach offers several benefits:

  • Shorter supply chains, meaning fresher food
  • Less dependence on trucking and shipping
  • Greater food security during disasters
  • More transparency, since people can see how their food is grown

Instead of one massive farm feeding a city, hundreds of small systems could share the load.

Learning From Nature

The dome was designed by researchers from Osaka Metropolitan University and the Tokyo University of Marine Science and Technology. Their goal was not to invent a new process, but to copy how healthy ecosystems already work, especially wetlands where waste from one organism becomes food for another.

By letting biology do most of the work, the system reduces strain on land, water, and energy resources.

What This Could Mean for You

In the future, a food dome like this could sit on top of an apartment building, school, or community center. It could provide herbs, leafy greens, vegetables, and even edible flowers just steps away from where people live.

For people without access to farmland—or even a backyard—this model offers a realistic way to grow clean, fresh food year-round. In emergencies, when transportation is disrupted, these closed-loop systems could keep producing food locally.

Looking Ahead

The Source of Life dome is still a prototype, but it offers a clear glimpse into how food production might change. By combining architecture, aquaculture, and ecology into one compact system, it shows that future cities may not need to choose between density and sustainability.

If adopted widely, food domes could help millions of people reconnect with where their food comes from—without leaving the city.

Sick With a Cold? Why Some “Comfort Foods” Can Actually Make You Feel Worse

When cold and flu season hits, many people instinctively reach for comfort foods. Unfortunately, some of the most common choices can slow recovery, worsen symptoms, and place extra stress on the immune system.

While nutrition alone won’t cure a viral illness, the right foods can support healing, and the wrong ones can make your body work harder than it needs to. Here’s what to avoid when you’re sick — and what to choose instead.


Foods and Drinks to Avoid When You’re Sick

1. Spicy Foods

Spicy meals may seem appealing when taste buds are dulled, but they can backfire.

Capsaicin (the compound that makes foods spicy) can temporarily open nasal passages, which may offer brief relief from congestion. However, it can also:

  • Irritate an already sore throat
  • Trigger coughing
  • Worsen acid reflux
  • Upset the stomach

For some people, mild spice is tolerable. For others, it increases discomfort. When sick, it’s best to prioritize gentle foods that don’t provoke irritation.


2. Alcohol

Alcohol is one of the worst choices during illness.

It negatively affects recovery by:

  • Suppressing immune cell activity
  • Dehydrating the body
  • Disrupting gut barrier function
  • Increasing inflammation
  • Interfering with sleep quality

Even small amounts can slow healing and force your body to fight both the infection and the metabolic stress of alcohol at the same time.

Bottom line: Save alcohol for after you’re well.


3. Fried and Greasy Foods

Fried foods, chips, and greasy comfort meals are hard on the digestive system — especially when you’re already sick.

They can:

  • Slow digestion
  • Increase nausea and bloating
  • Trigger reflux
  • Promote gut inflammation

Since much of the immune system resides in the gut, digestive stress during illness can interfere with recovery.


4. Sugary Drinks

Sugary sodas, sweet teas, and fruit punches can worsen illness by:

  • Spiking blood sugar
  • Increasing inflammation
  • Disrupting gut barrier integrity
  • Contributing to dehydration

While electrolyte beverages may be helpful in cases of dehydration, most sugary drinks provide little benefit and significant downside during illness.


What to Eat Instead When You’re Sick

When recovering from a cold or flu, focus on foods that are:

  • Easy to digest
  • Hydrating
  • Supportive of immune function

Better Choices Include:

  • Warm broths and soups (especially bone broth)
  • Herbal teas
  • Cooked vegetables
  • Simple grains like oatmeal or rice
  • Soft fruits such as bananas or applesauce
  • Berries and citrus in moderate amounts
  • Light protein sources such as eggs, fish, lentils, or tofu

These foods provide hydration, nutrients, and energy without taxing digestion.


Hydration Matters

Staying hydrated is critical during illness.

Better options include:

  • Water
  • Herbal tea
  • Bone broth
  • Coconut water
  • Diluted fruit juice

Avoid beverages that increase dehydration or blood sugar spikes.


The Takeaway

When you’re sick, your body needs support — not extra obstacles.

Choosing foods that are simple, nourishing, and anti-inflammatory, while avoiding alcohol, excess sugar, greasy meals, and irritating spices, helps your immune system do its job more efficiently.

Food won’t replace rest or medical care when needed, but smart nutrition choices can shorten recovery time and reduce symptom severity.