1. From the School of Medicine, Departments of Medical Pathology and Laboratory Medicine (MIR, RG, and JWM), Neurology (DMM), and Nutrition (LHA), University of California, Davis, CA; the US Department of Agriculture, ARS Western Human Nutrition Research Center (LHA); the Department of Neuroscience, University of California, Berkeley, CA (WJJ); and the Department of Epidemiology, University of Michi