Image for release. (IMAGE) Michigan State University Caption Jean Kerver, associate professor of Epidemiology & Biostatistics at Michigan State University’s College of Human Medicine. Credit Courtesy photo Michigan State University. Usage Restrictions NA 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.