Nancy L. Mace, MA, is retired. She was a consultant to and member of the board of directors of the Alzheimer's Association and an assistant in psychiatry and coordinator of the T. Rowe and Eleanor Price Teaching Service of the Department of Psychiatry and Behavioral Sciences at the Johns Hopkins University School of Medicine. Peter V. Rabins, MD, MPH, is professor emeritus in the Departments of Psychiatry and Medicine at the Johns Hopkins University School of Medicine. The author of Is It Alzheimer's? 101 Answers to Your Most Pressing Questions about Memory Loss and Dementia, he was the founding director of the Division of Geriatric Psychiatry and Neuropsychiatry and the first holder of the Richman Family Professorship in Alzheimer Disease and Related Dementias.