Renowned neurologist David Perlmutter, MD, has written book on how carbohydrates are destroying our brain. Even the healthy carbs like whole grains can cause dementia, ADHD, anxiety, chronic headaches, depression, and lot more. Dr. Perlmutter explains why your brain thrives on fat and cholesterol, and how you can spur the growth of new brain cells at any age. The book covers in depth at how we can take control of our "smart genes" through specific dietary choices and lifestyle habits, demonstrating how to remedy our most feared maladies without drugs. GRAIN BRAIN teaches us how we can reprogram our genetic destiny for the better in a four week plan.