New studies show that strong relationships not only affect emotional health, but also slow down the aging process at the cellular level.
A Cornell University study, based on data from over 2,100 adults, found that individuals with consistent social support — from a warm childhood to strong friendships and community ties throughout adulthood — exhibited slower rates of biological aging. This was measured by two “epigenetic clocks” (GrimAge and DunedinPACE), powerful indicators of health risks and longevity.
These individuals also had lower levels of chronic inflammation, particularly interleukin-6, a factor linked to major diseases such as diabetes, heart disease, and neurodegeneration.
Unlike past studies that focused only on isolated relationships, this research reflected the full range of social connectedness across the lifespan — from parental warmth to a sense of belonging in the neighborhood to support in religious communities.
The main message: lasting, deep connections are not only food for the soul, but also a "biological investment" that can slow aging and keep the body healthier for longer.
Photo by cottonbro studio: https://www.pexels.com/photo/photo-of-people-engaged-on-their-phones-8088493/
