heart-health

Longevity

The Loneliness–Mortality Link Runs Through Purpose

A large prospective study suggests loneliness shortens life largely by eroding a man's sense of purpose — recasting purpose as a measurable longevity lever, not a self-help slogan.

Longevity

BMI Trajectories and the Epigenetic Clock: Your Weight History Leaves a Methylation Footprint

A new analysis of more than 3,000 older Americans suggests that decades of weight patterns — not just today's number on the scale — interact with inherited obesity risk to nudge the body's biological clock forward.