Roger J. Lewis, LA BioMed (IMAGE) LA BioMed Caption Roger J. Lewis, M.D., Ph.D., is an LA BioMed investigator who was elected to the Institute of Medicine. Credit LA BioMed 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.