Live long and... Facebook (3 of 3) (IMAGE) University of California - San Diego Caption Having more Facebook friends, especially being the recipient of those friend requests, is linked to a lower mortality risk for cardiovascular disease (CVD), drug overdose, and suicide, causes of death known to be associated with social isolation. Most forms of cancer are not associated with social behavior offline, and the same appears to be true online. Credit Hobbs, UC San Diego/PNAS Usage Restrictions with coverage of the study only License Licensed 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.