1. From the Department of Physiology, University of Murcia, Murcia, Spain (MG); the Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging, Tufts University School of Medicine, Boston, MA (MG, Y-CL, JS, LDP, C-QL, and JMO); the Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL (DKA); and the Department of Experimental and Clinical Pharmacology,