Preet Chaudhary, MD, PhD (IMAGE) Keck School of Medicine of USC Caption Preet Chaudhary, MD, PhD, professor of medicine at the Keck School of Medicine of USC Credit USC Photo Usage Restrictions none 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.