Drs. David Hess (left) and Nasrul Hoda (IMAGE) Medical College of Georgia at Augusta University Caption Drs. David Hess (left) and Nasrul Hoda discovered that successive, vigorous bouts of leg compressions following a stroke appear to trigger natural protective mechanisms that reduce damage. Credit Phil Jones, Georgia Health Sciences University Photographer 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.