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A new analysis of more than 18,000 adults parses exercise by domain—and finds the clock-slowing benefits aren't distributed evenly. Sweat on your own time appears to matter more than sweat on the job.
A 445,000-person UK Biobank analysis suggests telomeres track life expectancy differently in men and women — and a transplant study links short, dysfunctional telomeres to frailty. Here is what that actually means for you.
Biological-age tests are flooding the longevity scene, but the rulers we use to measure aging — and the muscle loss that comes with it — are getting a hard second look.
A WHO-aligned way of thinking about reserves — and a simpler test of leg power — gives men past sixty practical handles on staying strong, sharp and independent.
A long-running cohort study suggests the infections you've weathered may leave a quieter, longer shadow on aging than we assumed.
A post-hoc analysis of a randomized trial found semaglutide reduced multiple DNA-methylation aging clocks. It's early, narrow, and genuinely intriguing.
Two new microbiome studies bracket the human lifespan, hinting that the bacteria in our intestines track with both extreme longevity and cognitive decline. The signals are early, but intriguing.
A new multistate study of nearly 2,000 older Chileans puts real numbers on the years of cognitive-impairment-free life that schooling and physical activity may add.
A new analysis of nearly 3,000 older adults suggests that conscientiousness and openness may help the mind stay sharper than the body's biological clocks would predict — while neuroticism appears to do the opposite.
A large Chinese cohort study suggests that losing both thinking power and lean mass together carries a sharper mortality signal than either alone — and points toward a combined training plan.