Stacey Rizzo, Ph.D. (IMAGE) University of Pittsburgh Caption Stacey Rizzo, Ph.D. Credit University of Pittsburgh Aging Institute Usage Restrictions For use with this press release only. License Original 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.