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NatWonk – Dr Bier’s Research Reviews

NatWonk – Dr Bier’s Research Reviews

An Informed Medicine Approach

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Category: Lifestyle & Environment

A National Study Exploring the Association between Fasting Duration and Mortality among the Elderly

January 25, 2026
| No Comments
| Diet & Nutrition, Longevity & Mortality

Comment: This is another large-scale analysis to flag a mortality signal, giving sufficient reason to move the discussion from a “statistical fluke” to a “clear clinical pattern.” There is often a linear assumption—that if a 12-hour fast is good, 16 hours must be better. However, this US-based cohort study of over 10,000 elderly adults forces […]

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The association between skipping breakfast and cardiovascular disease: a meta analysis

January 24, 2026
| No Comments
| Cardiovascular Health, Diet & Nutrition, Longevity & Mortality

Comment: It is always important the acknowledge the risks in observational studies, however when the results keep coming back the same, it is important to pay attention. The Core Tension in the current discourse on metabolic health is the friction between the popularized biochemical “panacea” of intermittent fasting and the sobering mortality signals emerging from […]

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Meal Skipping and Shorter Meal Intervals Are Associated with Increased Risk of All-Cause and Cardiovascular Disease Mortality among US Adults

January 24, 2026
| No Comments
| Cardiovascular Health, Diet & Nutrition, Longevity & Mortality

Comment: There is a conflict between the biochemical promise of Time-Restricted Eating (TRE) and the hard reality of epidemiological survival data. Protocols like “One Meal a Day” (OMAD) are promoted for their theoretical impact on autophagy and insulin sensitivity, yet frequently ignores the most important metric: Overall Survival. While short-term mechanistic studies suggest metabolic benefit, […]

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Breakfast skipping and risk of all-cause, cardiovascular and cancer mortality among adults: a systematic review and meta-analysis of prospective cohort studies

January 24, 2026
| No Comments
| Cancer, Cardiovascular Health, Diet & Nutrition, Longevity & Mortality

Comment: The data presented in this systematic review and meta-analysis of 242,095 participants reveals a stark collision between the biochemical promise of intermittent fasting (IF) and the hard reality of epidemiological survival. While IF is frequently promoted as a metabolic panacea—citing mechanisms like autophagy and improved insulin sensitivity—these theories often ignore the hierarchy of harm: […]

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Use of Sedative-Hypnotics and Mortality: A Population-Based Retrospective Cohort Study

January 12, 2026
| No Comments
| Medications - General Pharmaceuticals, Sleep

Comment: A central discrepancy revealed in this research is the failure of Z-drugs, or specifically zolpidem, to deliver on their promise of clinical safety. Despite conventional wisdom suggesting they are a safer class, the data confirms that sedative-hypnotic users as a whole faced a significantly higher mortality risk than non-users. This human clinical data provides […]

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Use of Sleep Medications and Mortality: The Hordaland Health Study

January 12, 2026
| No Comments
| Medications - General Pharmaceuticals, Sleep

Comment: A central issue in sleep medicine is the conflict between the risk of not sleeping, and the risk of taking sedative-hypnotics to help sleep. Most people assume medication induced sleep is better than not sleeping. This 15-year prospective data confirms that daily usage is associated with nearly three times the hazard of death compared […]

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Effect of Soy Isoflavones on Measures of Estrogenicity: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

December 27, 2025
| No Comments
| Cancer, Diet & Nutrition

Comment: This systematic review and meta-analysis is yet another high-level confirmation of a reality seen across decades of human clinical data: soy isoflavones do not possess the systemic estrogenic risks often attributed to them. In the hierarchy of research, human RCTs carry the most weight, and the aggregation of 42 randomized controlled trials here should […]

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Coffee drinking timing and mortality in US adults

December 21, 2025
| No Comments
| Diet & Nutrition, Longevity & Mortality

🍵Comment: Another study dismantling the dogma that coffee is ‘bad for you.’ On the contrary, the data here shows that ‘morning-type’ drinkers enjoy a statistically significant reduction in both all-cause and cardiovascular mortality compared to non-drinkers. These findings also introduce a vital caveat: the circadian context. The fact that heavy consumption is protective only in […]

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Time-course study of different innate immune mediators produced by UV-irradiated skin: comparative effects of short and daily versus a single harmful UV exposure

December 6, 2025
| No Comments
| Immune System, Ultraviolet - Sun Exposure

Comment: I admit I love my UV, especially since moving back to New England – I have 3 apps on my phone so I know when it’s peak time to go outside. I also recognize that I have skin that tans and rarely burns, whereas other people don’t. It’s always been suspect to me that […]

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Tryptophan Intake in the US Adult Population Is Not Related to Liver or Kidney Function but Is Associated with Depression and Sleep Outcomes

November 28, 2025
| No Comments
| Sleep

Comment: It’s Thanksgiving, and I figured it would be fun to see if there was any actual research on turkey and sleepiness. There isn’t, but I came across this interesting study showing that tryptophan is associated with both improved sleep and decreased depression symptoms. Despite it’s reputation, turkey is actually about equivalent in tryptophan to […]

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