Frederick Hayden, MD (image) University of Virginia Health System Share Print E-Mail Caption Frederick Hayden, MD, is a researcher at the University of Virginia School of Medicine. Credit Dan Addison/University of Virginia Usage Restrictions This photo may be used with coverage of this study only. Share Print E-Mail 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.