Bengt Arnetz, Michigan State University (IMAGE) Michigan State University Caption Bengt Arnetz, a professor of family medicine in the Michigan State University College of Human Medicine, has found that refugees diagnosed with post-traumatic stress disorder regulate stress differently than those who don't have the disorder, but may have experienced similar suffering. Credit Michigan State University 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.