Are Friendships Linked to Longevity?

It sounds simple, but healthy social relationships really are robust determinants of health and longevity.

Recent research from Cornell University tracking over 2,100 adults reveals that strong social connections literally slow down aging at the cellular level. People with what researchers call "cumulative social advantage"—warm childhood relationships, community involvement, religious connections, and ongoing friendships—showed younger biological ages on molecular tests that predict health and longevity.

The magic happens through reduced inflammation and slower epigenetic aging. Those with richer social networks had significantly lower levels of inflammation linked to heart disease, diabetes, and neurodegeneration.

But here's the key: it's not just about having friends today. The research shows it's the depth and consistency of connections built across decades that creates this biological advantage.

Your social life isn't just about happiness in the here and now. It's literally an investment in how gracefully you'll age.

What can you do today to nurture friendship?