Activity Level in Mice (IMAGE) Parsemus Foundation Caption Mice on hormones exercised more than ones on the current treatment, estrogen blockers, leading to better overall health. Credit Arumugam et al., 2014 Usage Restrictions May be reproduced with appropriate 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.