Early Diagnosis Key to Alzheimer's Disease Treatment

Recent research shows Alzheimer’s disease can be present up to two decades before symptoms occur; a phenomenon known as preclinical Alzheimer’s disease. Comparing the disease to a burning building, some scientists believe treatment needs to happen well before significant foundational damage occurs. Guest: Paul Aisen, MD, Professor of Neurology and Director of the Alzheimer’s Therapeutic Research Institute, Keck School of Medicine, University of Southern California