20 articles
A Mass General Brigham trial found multivitamin users aged slower on 5 epigenetic clocks, with the biggest gains in those aging fastest.
Research shows four simple behaviors — no smoking, healthy weight, daily movement, and good diet — can add 12–14 years to your life.
NutritionFacts.org's most popular 2025 videos cover cancer growth prevention, NAD+ optimization, and evidence-based nutrition for longevity.
University of Sydney researchers found that cutting fat or animal protein for just four weeks lowered biological age markers in older adults.
FGF21 extends lifespan in animals by 30-40%. Here's what exercise and diet research reveals about boosting it naturally.
New study reveals meat avoidance may reduce centenarian odds in frail seniors, but nutrition needs change dramatically with age.
UCLA researchers eliminated senescent immune cells in mice, dramatically reversing liver damage even without diet changes.
Dr. Greger's platform offers free tools, guides, and research to help optimize health through evidence-based nutrition and lifestyle choices.
The largest diet-mortality study ever found nut eaters live longer — but peanut butter offers no such benefit. Here's why.
Traditional Japanese practice of eating until 80% full shows promise for weight management and longevity without strict dieting.
A clinical trial found testosterone gel plus exercise prevented visceral fat increases in women over 65 recovering from hip fractures.
Swedish study of 600,000 people reveals gaining weight in your 20s dramatically increases lifelong disease risk compared to later weight gain.
Reducing protein to recommended levels may double the longevity hormone FGF21, improving fat loss and insulin sensitivity within weeks.
A 40,000-person study found daily egg eaters aged 65+ had up to 27% lower Alzheimer's risk, with even modest intake showing brain benefits.
Biotin supplements taken by cancer patients for hair loss can distort key blood markers, potentially masking cancer recurrence or delaying treatment.
A daily tomato-soy juice rich in lycopene and isoflavones significantly reduced inflammatory proteins in adults with obesity after just four weeks.
USC researchers find young non-smokers with healthier diets face unexpected lung cancer risk, possibly due to pesticide residues on produce.
A small Brazilian trial found 43% of women taking 2,000 IU vitamin D daily achieved complete cancer remission vs 24% on placebo.
University of Cologne researchers reveal how the amino acid leucine boosts cellular energy by preventing breakdown of critical mitochondrial proteins.
Japanese scientists engineered hybrid vitamin K molecules that are 3x more potent at regrowing neurons, potentially transforming Alzheimer's treatment.
