Urban Parks (IMAGE) University of Alabama at Birmingham Caption UAB researchers found spending 20 minutes in an urban park will make someone happier -- whether they are engaging in exercise or not during the visit. Credit UAB Usage Restrictions None 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.