The official guide to Dr. David Perlmutter's revolutionary approach to vibrant health as described in his New York Times bestsellers Grain Brain, The Grain Brain Cookbook, and Brain Maker. With more than a million copies sold worldwide, Dr. Perlmutter's books have changed many lives. Now, he's created a practical, comprehensive program that lowers the risk for brain ailments while yielding other benefits, such as weight loss, relief from chronic conditions, and total body r