
The Science Behind Friendship
and Longevity
Biological Youth
Adults with rich social networks
appear biologically younger than
their chronological age, with
measurable differences in cellular
aging markers.
Cumulative Social Advantage
Includes family warmth, community
involvement, faith connections, and
ongoing emotional support
throughout life's journey.
Inflammation Protection
Socially connected adults show lower levels of interleukin-6, a key inflammatory
marker linked to heart disease and dementia.