Tag

Biological age

Page 3 of 4

A glass ashtray of spent cigarette butts with one still burning

Longevity genes helped. Not smoking helped far more.

A GeroScience study followed 5,575 Finnish twins for 17.5 years and found a genetic score for long life cut death risk modestly, while heavy smoking more than tripled it.

Jul 31, 2026

A scientist working at a laboratory bench lined with instruments

News

A blood metabolite clock tracked death risk and frailty

GeroScience researchers built an aging clock from 3,686 blood samples across UK and Irish cohorts. Five years of extra metabolic age came with 43% higher death risk.

Jul 31, 2026

A gloved lab worker holding a blood sample tube up to the light

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A blood test told three dementias apart, not just detected one

A Nature Aging study of 1,318 plasma samples found protein signatures separating Alzheimer's from Lewy body and frontotemporal dementia, then validated a 21-protein panel in 805 more.

Jul 29, 2026

Fresh chanterelle mushrooms and rosemary sprigs on a wooden board

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Ergothioneine topped 991 blood markers of brain health

A Nature Aging study measured 991 blood metabolites in 1,082 middle-aged adults and found ergothioneine, a mushroom-derived compound, had the strongest link to cognition.

Jul 27, 2026