David Kang, PhD (IMAGE) University of South Florida (USF Health) Caption David Kang, PhD, professor of molecular medicine at the University of South Florida Health (USF Health) Byrd Alzheimer's Center, led the research team that discovered a defect early in the dynamic cellular waste clearance process known as autophagy. Credit © USF Health Usage Restrictions Please use photo with appropriate caption. 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.