Nora Lewin, Michigan State University (IMAGE) Michigan State University Caption In a first-of-its-kind study involving a wild species, Michigan State University researchers have shown that social and ecological factors affect animal health. Credit Courtesy of MSU 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.