Researchers (IMAGE) University of Louisville Caption This is Juliane Beier Arteel, Ph.D., Matt Cave, M.D., and Cameron Falkner, Ph.D. Credit University of Louisville 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.