By Deepak Chopra, M.D., FACP, Rudolph E. Tanzi, Ph.D., Joseph P. and Rose F. Kennedy Professor of Neurology at Harvard University, and Director of the Genetics and Aging Research Unit at Massachusetts General Hospital (MGH), P. Murali Doraiswamy, MBBS, FRCP, Professor of Psychiatry, Duke University Medical Center, Durham, North Carolina, Menas C. Kafatos, Ph.D., Fletcher Jones Endowed Professor…