Alhelí Calderón Villarreal, M.D., M.P.H. (IMAGE) University of California - San Diego Caption Alhelí Calderón Villarreal, M.D., M.P.H., first author and doctoral candidate at Herbert Wertheim School of Public Health and Human Longevity Science at UC San Diego. Credit Alhelí Calderón Villarreal, M.D., M.P.H. Usage Restrictions For use with articles related to news release. 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.