John Bellettiere (IMAGE) University of California - San Diego Caption John Bellettiere, PhD, MPH, assistant professor of epidemiology at the Herbert Wertheim School of Public Health and Human Longevity Science at UC San Diego Credit University of California San Diego Usage Restrictions For use with associated study. 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.