Diego Rose (IMAGE) Tulane University Caption Lead author Diego Rose, a professor of nutrition and food security at Tulane University School of Public Health and Tropical Medicine. Credit Tulane University Usage Restrictions Can be used with coverage of the study. All rights reserved. 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.