Senior Author (IMAGE) University of Massachusetts Amherst Caption Nutrition scientist David Sela, UMass Amherst associate professor of food science and director of the Fergus M. Clydesdale Center for Foods for Health and Wellness, has spent his career focused on studying breast milk. Credit UMass Amherst 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.