Lifetime of social ties adds up to healthy aging at molecular level The cumulative effect of social advantages across a lifetime—from parental warmth in childhood to friendship, community engagement and religious support in adulthood—may slow the biological processes of aging itself. These social advantages appear to set back "epigenetic clocks" such that a person's biological age, as measured by analyzing DNA methylation patterns, is younger than their chronological age.
https://medicalxpress.com/news..../2025-09-lifetime-so