Preliminary
Can Polyphenol-Rich Foods Slow Epigenetic Aging?

Polyphenol-rich foods like green tea, turmeric, and berries showed a promising link to slower epigenetic aging in this pilot study, but the effect was modest and unproven—larger, independent trials are …

47 /100
Small sample size (not disclosed in abstract); pilot study design limits generalizability; secondary analysis increases multiple-comparison risk; confidence interval for …
Preliminary
Cardiovascular Biomarkers Deep Dive: Mike Lustgarten's 2025 Blood Test #7

This is a thorough, well-documented personal health tracking effort that demonstrates how to contextualize blood test results against epidemiological evidence—valuable for self-monitoring enthusiasts, but not a substitute for medical evaluation. …

41 /100
YouTube video — not peer-reviewed research. 1) Specific citations missing: Studies referenced as "4.5 million people" and "15 million people" …
Disputed
Mike Lustgarten's Self-Experiment: NAD+ and Homocysteine Supplementation

This is a well-documented personal experiment showing one person's biomarker changes from supplementation, characterized by admirable honesty about disappointing results—but it provides no evidence that this supplement protocol actually slows …

24 /100
YouTube video — not peer-reviewed research. **No citations for core claims**: Homocysteine's neurotoxic mechanisms, SAM's role in homocysteine metabolism, and …
Preliminary
Self-Tracked Diet & Biological Age: One Man's 15-Year Younger Result

This is an impressive example of personal health tracking and self-experimentation, but one person's dietary correlations with biomarkers—especially weak correlations—are not strong evidence for what will work for you. The …

29 /100
YouTube video — not peer-reviewed research. Single-subject n-of-1 design with no control group, blinding, or randomization; correlational evidence presented as …
Preliminary
TMAO: Health Risks, Dietary Sources, and Personalized Tracking

TMAO is a real health marker worth monitoring, but the story is more nuanced than "avoid TMAO-containing foods"—your gut bacteria composition and intestinal health (driven by fiber, exercise, and aging) …

36 /100
YouTube video — not peer-reviewed research. No specific journal citations, authors, or publication years provided—claims cannot be independently verified. Meta-analytic …
Preliminary
Beta-Hydroxybutyrate: The Ketone Link to Longevity in Mice

This video presents interesting mouse data linking a ketone body (BHB) to longevity through caloric restriction and ketogenic diet, with plausible mechanistic explanations—but all evidence is pre-clinical and doesn't prove …

48 /100
YouTube video — not peer-reviewed research. 1) All evidence is from mouse models with no human data; longevity claims cannot …
Preliminary
Visceral Fat Reduction and Lifespan: Mike Lustgarten's 3-Year Self-Tracking

Rodent studies show visceral fat removal extends lifespan; Lustgarten's personal data shows he maintains unusually low visceral fat for his age, but this is one person measured three times—not proof …

43 /100
YouTube video — not peer-reviewed research. Primary concern: conflation of animal lifespan data with human self-tracking. The rodent studies are …
Promising
Dr. Conboy on Epigenetic Clocks: Misalignment, Noise, and What They Actually Measure

Dr. Conboy presents credible scientific criticism of epigenetic aging clocks, arguing they measure statistical patterns rather than true biological age and miss key aging hallmarks—viewers should understand this as expert …

66 /100
YouTube video — not peer-reviewed research. While Conboy's credentials and research output are substantial, the transcript does not include specific …
Promising
NMN & NAD Supplements: Debunking the Anti-Aging Hype with Science

While early animal research made NAD-boosting supplements seem promising, rigorous follow-up studies show they don't extend lifespan in mice or improve symptoms in humans, even when they successfully raise NAD …

67 /100
YouTube video — not peer-reviewed research. Strengths: The video demonstrates exemplary scientific communication by highlighting reproducibility failures—a mature, honest perspective. …
Promising
Castration & Lifespan: What the Science Actually Shows About Testosterone

While castration does extend lifespan in animals and historical eunuchs, the real lesson isn't 'lower your testosterone'—it's that excessive growth signaling may drive aging, and that healthy testosterone levels remain …

66 /100
YouTube video — not peer-reviewed research. Minor: The thumbnail and title use clickbait framing ('Do WHAT to Your Balls') designed …
Preliminary
Vigorous Exercise May Be 4-10x More Effective Than Moderate Activity

While this video raises a valid point—that current exercise guidelines are based on calorie burn rather than health outcomes—the lack of citation for the key study makes it impossible to …

26 /100
YouTube video — not peer-reviewed research. Critical issue: The foundational study being discussed is never cited by name, author, journal, …
Promising
Exercise, Heat, and Cold: Dr. Patrick's Healthspan Optimization Guide

This is a well-credentialed scientist presenting solid evidence that vigorous exercise is one of the most powerful life-extending interventions available; the core claims align with peer-reviewed science, though some study …

60 /100
YouTube video — not peer-reviewed research. Minor concerns: (1) The specific studies cited lack complete attribution in the transcript—study names …
Preliminary
Seed Oils and Longevity: Evidence-Based Analysis of Nutritional Harm Claims

This episode attempts a rigorous, transparent examination of whether seed oils are uniquely harmful, with commendable disclosure of potential biases and a novel format to reduce unverified claims—but the absence …

44 /100
YouTube video — not peer-reviewed research. The intended debate opponent withdrew, removing direct representation of the anti-seed-oil position. While Attia …
Promising
Seed Oils vs. Lard: What the Science Actually Shows

Both seed oils and lard are bad when used for frying because fried foods are calorie-dense junk; the choice between them matters far less than avoiding regular consumption. Don't fall …

55 /100
YouTube video — not peer-reviewed research. Lack of specific study citations throughout a long discussion makes claims difficult to verify …
Promising
r/longevity Introductory Guide: Resources for Aging Biology Research

This is a well-curated introductory resource for understanding legitimate aging biology research, appropriately warning against quackery while directing readers to peer-reviewed papers and academic institutions. It's an excellent starting point …

64 /100
Community discussion — not peer-reviewed research. Minimal red flags for a curated resource post. The main limitation is that this …
Promising
Women's Hormones and Alzheimer's Risk: New Understanding of Brain Health in Menopause

This is a credible, well-informed conversation about detecting Alzheimer's disease before symptoms appear—an important topic for brain health. However, viewers should note that specific studies and evidence aren't cited in …

50 /100
YouTube video — not peer-reviewed research. The transcript excerpt does not provide specific citations to peer-reviewed studies, making it difficult …
Promising
Women's Alzheimer's Prevention: Lifestyle, Menopause, and Emerging Treatments

This is a credible, measured discussion by an Alzheimer's researcher emphasizing that consistent lifestyle habits (exercise, sleep, nutrition, stress management) are the proven foundation of dementia prevention for women, with …

50 /100
YouTube video — not peer-reviewed research. Primary concern: minimal specific citations. While Mosconi is a credentialed neuroscientist, the absence of …
Preliminary
Why Women Develop Alzheimer's Earlier: Brain Changes Begin in Midlife

Women appear to develop Alzheimer's-related brain changes earlier than men starting in midlife, which may explain why Alzheimer's affects more women overall—but this is based on neuroimaging research that needs …

48 /100
YouTube video — not peer-reviewed research. While Mosconi is a credible neuroscientist with published work on sex differences in Alzheimer's, …
Preliminary
Oral Microbiome's Link to Alzheimer's Disease: New Research

This video presents an interesting emerging hypothesis that oral bacteria imbalance may contribute to Alzheimer's through inflammatory pathways, supported by publication in a respected journal. However, the actual evidence from …

43 /100
YouTube video — not peer-reviewed research. Significant limitation: the transcript cuts off before presenting actual study data, making it impossible …
Promising
Beta-2-Microglobulin and Neurogenesis: What's My Data?

Beta-2-microglobulin shows promise as a biomarker linked to brain health and aging, with solid mouse studies and intriguing human associations, but human causality remains unproven. Lustgarten's personal tracking is methodologically …

51 /100
YouTube video — not peer-reviewed research. 1) Commercial motivation: Core findings about optimal B2M are gated behind a Patreon subscription, …