Bradford B. Worrall, of the University of Virginia School of Medicine (image) University of Virginia Health System Share Print E-Mail Caption Bradford B. Worrall, of the University of Virginia School of Medicine, is a co-author of the study. Credit University of Virginia Health System Usage Restrictions May be used by reporters and webmasters to accompany news coverage of the stroke study. All other uses require express written permission from UVA Health System. 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.