Social isolation and loneliness graphic (IMAGE) University of California - San Diego Caption As social networks shrink, older adults are more at risk for social isolation and loneliness. Credit Herbert Wertheim School of Public Health and Human Longevity Science at University of California San Diego Usage Restrictions For use with associated study License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.