Uses of Patient Portals by Older Adults (IMAGE) Michigan Medicine - University of Michigan Caption For the half of adults aged 55 to 80 who have used a health provider's secure patient portal, these are the main things they're using the site for. Credit University of Michigan Usage Restrictions Credit University of Michigan 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.