Harold Koenig, M.D., is associate professor of psychiatry and associate professor of medicine at Duke University. He is the founder and director of the Center for the Study of Religion/Spirituality and Health at Duke and has written extensively on mental health, geriatrics, and religion. Koenig is board certified in geriatric psychiatry and geriatric medicine. He is the editor of International Journal of Psychiatry in Medicine, a medical research journal, and the founder and editor in chief of R