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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.
A new synthesis recasts hepatic mitochondria as a systemic signaling hub — broadcasting blood-borne cues that remodel distant tissues and hinting at a therapeutic class beyond senolytics.
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.
The same peptide class that reshaped weight loss is now stacking evidence in kidney protection, fibrosis prevention, and transplant medicine. Here's what the data actually says.
A new head-to-head validation of consumer sleep wearables and nearables shows where the devices earn their place on your nightstand — and where, especially after midlife, they quietly overreach.
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.