"At last a book that explains to me why I feel so much better if I run in the morning!"―Dr. Susan M. Love, author of Dr. Susan Love's Menopause and Hormone Book and Dr. Susan Love's Breast Book
"SPARK is just what we need. In mental health, exercise is a growth stock and Ratey is our best broker."―Ken Duckworth, M.D., Medical Director for the National Alliance on Mental Illness
"This book is a real turning point that explains something I've been trying to figure out for years. Exercise is not simply necessary, as Dr. Ratey clearly shows, it's medicine."―Greg LeMond, three-time winner of the Tour de France
"SPARK is mercifully short on Ivy League med-school-speak. And it may just spell the end of all dumb-jock jokes."―Outside Magazine
"I enthusiastically recommend this book...If your goal is to live a long and healthy life to the fullest then Spark should be required reading."―Kenneth H. Cooper, M.D., M.P.H., "Father of Aerobics"
"Bravo! An extremely important book. What Cooper did decades ago for exercise and the heart, Ratey does in SPARK for exercise and the brain. An utterly convincing and brilliantly documented ground-breaking work...So, get moving! Your brain will thank you and repay you many times over."―Edward Hallowell, M.D., The
"Ratey has culled the latest science and found that a regular workout can help build a better, faster brain."―USA Today