Exercise Examined (IMAGE) Brown University Caption A review of 160 studies finds that the benefits of exercise are strong but aren't the same for everyone, and may work through a variety of biological intermediaries. Credit Michael Cohea/Brown University Usage Restrictions with credit 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.