Ambar Kulshreshtha (IMAGE) Emory Health Sciences Caption Ambar Kulshreshtha, MD, associate professor of family and preventive medicine at Emory University School of Medicine and lead author of the study. Credit Emory University Usage Restrictions n/a 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.