Peter Pribis, University of New Mexico (IMAGE) University of New Mexico Caption University of New Mexico Nutrition Professor Peter Pribis recently completed a research study that shows the consumption of walnuts produces a meaningful difference in mood in young men. Credit UNM 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.