Tag
Biological age
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Smoking and waist size beat every epigenetic clock tested
An Aging Cell study followed 1,108 middle-aged Finns for up to nine years and found a model built from age, sex, smoking, alcohol and body shape predicted disease better than any aging clock.
Jul 31, 2026
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 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 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