Bear analysis (IMAGE) Aarhus University Caption Researchers from Aarhus University, together with German colleagues, have spent 13 years figuring out why bears don't get blood clots and lose muscle mass during hibernation. The result could lead to new groundbreaking drugs. Credit Ole Frøbert, Aarhus University Usage Restrictions No restrictions License Original 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.