JeanMarie Houghton, MD, PhD (IMAGE) UMass Chan Medical School Caption JeanMarie Houghton, MD, PhD. Credit UMass Medical School Usage Restrictions with credit to UMass Medical School 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.