Dr. Melyssa Roy (IMAGE) University of Otago Caption Dr. Melyssa Roy is a Co-author of the University of Otago study considering three common diets. Credit Dr Melyssa Roy Usage Restrictions None 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.