How We Score
How we vet the research — transparency first
Some Anti-Aging Compounds Extend Male Worm Lifespan, But Not Always Reproductive Health
This worm study suggests that compounds extending lifespan don't automatically preserve all aspects of health—a useful reality check for anti-aging research. However, it's early-stage work in a simplified organism that …
Gut Bacteria Linked to Living Past 90: What Their Microbiomes Reveal
Centenarians have distinctly different and more beneficial gut bacteria than typical older adults, pointing to microbiota composition as a possible lever for healthy aging. However, this is an early correlational …
Urolithin A and cardiovascular health: preclinical promise meets human biomarker data
Urolithin A is a promising compound with solid preclinical evidence and early human data showing cardiovascular biomarker improvements, but the evidence is still preliminary—based on surrogate markers rather than proven …
A brain protein that declines with age may hold clues to extending lifespan
This is early-stage but promising research identifying a brain protein that extends fruit fly lifespan. It's a solid proof-of-concept using innovative methods, but it's premature to expect human applications—many candidate …
How Exercise Clears Damaged Cells and Reverses Muscle Aging
Exercise likely does help clear damaged cells from muscle tissue and improve metabolic health, which aligns with solid longevity science, but this Reddit post is an enthusiastic summary of a …
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 …
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. …
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 …
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) …
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 …
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 …
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 …
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 …
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 …
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 …
High-Dose Creatine for Brain Function: 2024 Study Breakdown and Dosing Insights
While this post cites real creatine research and legitimately debunks safety myths, the recommendation to increase dosing to 15-20g/day for cognitive benefits lacks sufficient peer-reviewed support and exceeds conventional safety …
1,500 Days Sober: Biomarkers Show Dramatic Health Recovery After Alcoholism
This is an inspiring personal recovery story with impressive current biomarkers, but the dramatic health improvements cannot be scientifically proven without before/after data, comparison groups, and independent lab verification. The …
Life Expectancy Gains Are Slowing—Here's Why
Life expectancy improvements in wealthy countries are genuinely slowing because we've nearly eliminated infant and childhood deaths—the easy wins of the 20th century. Future improvements will require new medical breakthroughs …
DMTF1 Gene May Reverse Brain Aging in Neural Stem Cells
Researchers found a gene (DMTF1) that may help aging brain stem cells divide better by controlling chromatin structure, offering a potential drug target—but this is early-stage cellular research with no …
Horvath's Epigenetic Clocks: Measuring and Reversing Aging
Horvath's epigenetic clocks are real, peer-reviewed scientific tools that can measure biological age—a genuine advance in aging research. However, this discussion lacks evidence that measuring aging translates to reversing it, …