20 articles
A Mass General Brigham trial found multivitamin users aged slower on 5 epigenetic clocks, with the biggest gains in those aging fastest.
Most genetic variants explain only a few percent of nutritional differences between people, yet companies market expensive personalized plans.
NutritionFacts.org's most popular 2025 videos cover cancer growth prevention, NAD+ optimization, and evidence-based nutrition for longevity.
Research shows four simple behaviors — no smoking, healthy weight, daily movement, and good diet — can add 12–14 years to your life.
Experts say the next era of obesity care pairs GLP-1 medications with precision medicine, endoscopic procedures, and surgery for lasting results.
FGF21 extends lifespan in animals by 30-40%. Here's what exercise and diet research reveals about boosting it naturally.
University of Sydney researchers found that cutting fat or animal protein for just four weeks lowered biological age markers in older adults.
Dr. Greger's platform offers free tools, guides, and research to help optimize health through evidence-based nutrition and lifestyle choices.
Traditional Japanese practice of eating until 80% full shows promise for weight management and longevity without strict dieting.
UCLA researchers eliminated senescent immune cells in mice, dramatically reversing liver damage even without diet changes.
Genetic testing for health risks has a 40% false-positive rate and often outperformed by lifestyle factors. Here's what the evidence shows.
New study reveals meat avoidance may reduce centenarian odds in frail seniors, but nutrition needs change dramatically with age.
The largest diet-mortality study ever found nut eaters live longer — but peanut butter offers no such benefit. Here's why.
New research reveals genetic 'GLP-1 resistance' affects 1 in 10 people, explaining why popular diabetes and weight-loss drugs fail for some patients.
Stanford researchers found genetic variants in ~10% of people that blunt GLP-1 drug effectiveness, pointing toward precision diabetes care.
A daily tomato-soy juice rich in lycopene and isoflavones significantly reduced inflammatory proteins in adults with obesity after just four weeks.
A major review confirms tea protects against heart disease, cancer, and cognitive decline — but only if you skip the bottled and bubble versions.
A UC San Diego trial shows ION224 blocks liver fat production, cutting inflammation and scarring in 60% of MASH patients.
New research suggests eating unprocessed meat could help people with Alzheimer's risk genes maintain better brain function.
Reducing protein to recommended levels may double the longevity hormone FGF21, improving fat loss and insulin sensitivity within weeks.
