Freieni (IMAGE) Michigan Medicine - University of Michigan Caption Friendships data from people age 50 and older, from the National Poll on Healthy Aging Credit University of Michigan Usage Restrictions Credit must be given to the creator. License CC BY 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.