An analysis of 1.32 billion T cell clones from 798 people with cancer and 5052 without, published in November 2026 in Aging Cell, found that T cell receptor diversity declines faster after about age 50, shaped by sex and cytomegalovirus,…
In two cohorts of adults aged 60 or older from the US and China, a biological age score built from 12 blood and body markers was modestly linked to death, but it added little prediction beyond simple measures of function.
In 2,380 adults who had weight-loss surgery, an artificial intelligence reading of the electrocardiogram showed a heart age 3.86 years older than real age before surgery, with a modest decline after the first year.