Vitamin D deficiency is common in older adults and has been implicated in psychiatric and neurologic disorders. This study examined the relationship among vitamin D status, cognitive performance, mood, and physical performance in older adults.
Department of Medicine, Division of Geriatrics and Nutritional Science, Alzheimer's Disease Research Center, Washington University School of Medicine, St. Louis, MO 63108, USA. cwilkins@im.wustl.edu
