Jeremy Jamieson, University of Rochester (IMAGE) University of Rochester Caption "The problem is that we think all stress is bad," explains Jeremy Jamieson, the lead author on the study and an assistant professor of psychology at the University of Rochester. Before speaking in public, people often interpret stress sensations, like butterflies in the stomach, as a warning that something bad is about to happen. "But those feelings just mean that our body is preparing to address a demanding situation," he says. Credit University of Rochester 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.