DANIEL G. AMEN, M.D., is a clinical neuroscientist, psychiatrist, and brain imaging expert who heads the world-renowned Amen Clinics. He has published 26 books including the New York Times bestsellers Use Your Brain to Change Your Age, Change Your Brain, Change Your Life; Magnificent Mind at Any Age; and Change Your Brain, Change Your Body. He is an internationally recognized keynote speaker and the star of several very popular public-television specials. Dr. Amen spearheads the groundbreaking Amen Clinics' retired NFL player brain imaging study and is intimately involved with The Daniel Challenge, a project of Pastor Rick Warren and Saddleback Church to create brain healthy churches.