A large longitudinal study shows that DNA methylation-based biological aging and the cytokine TGF-beta play distinct causal ...

The preprint I introduced the other day (below) presented biological age using an epigenetic clock as an indicator. I think ...

New research has found that large-bodied dogs and male dogs age more quickly and therefore have shorter lifespans. The Dog ...

A study of nearly 2,000 US adults found that epigenetic age acceleration from smoking declines steadily after cessation, with ...

BANGKOK, June 25, 2026 /PRNewswire/ -- Healthi Life, a physician-led longevity and regenerative medicine clinic in Bangkok, today released an analysis of how peptide-class therapies perform against ...

Add Yahoo as a preferred source to see more of our stories on Google. A new modeling tool can estimate the age of zebra sharks, which can live up to 30 years, within about two years. (CREDIT: Ripley's ...

Epigenetic aging is a hallmark of chronic diseases. While such epigenetic changes can arise following tissue injury, the cell types most affected remain largely unknown. Here we built a cross-species ...

Will birthdays go the way of the Betamax and Blackberry? Our culture is always eager to move away from old things toward new things and these days if you want to know how old you are, the number of ...

This article predates Brown Brothers Media’s ownership of Science Blog and has not been reviewed under our current editorial process. It is preserved as part of the publication’s archive. Methylation ...

A shark’s age can be surprisingly hard to pin down, even when the animal is swimming in plain sight. For zebra sharks, researchers have now found a clue in blood: chemical marks on DNA that shift as ...