On this episode of Free Thinking, Montel talks with renown neurologist, Dr David Perlmutter. Dr Perlmutter is a board-certified neurologist and fellow of the American College of Nutrition. He serves as the medical advisor for the Dr. Oz Show and Men’s Health and is an associate professor at the University of Miami Miller School of Medicine. He is the recipient of numerous awards, including the Linus Pauling Award for his innovative approaches to neurological disorders. He has published extensively in peer-reviewed scientific journals and is a frequent lecturer at symposia sponsored by several medical institutions such as Columbia University, New York University, and Harvard University. He is a 5-time New York Times bestselling author, and his 2013 bestseller, Grain Brain, has more than 1.5 million copies in print, has been published in multiple languages, and is available in 20 countries across the globe. Grain Brain kickstarted a revolution and empowers its readers to take control of their health to achieve optimal wellness for lifelong vitality. Since its publication, Grain Brain has reached #1 on multiple best-seller lists, including New York Times, Wall Street Journal, and USA Today. Montel Williams video.