Renowned neurologist Dr David Perlmutter blows the lid off a topic that's been buried in medical literature for far too long gluten & carbs are destroying your brain & not just unhealthy carbs but even healthy ones like whole grains can cause dementia ADHD anxiety chronic headaches depression & much more Dr Perlmutter explains what happens when the brain encounters common ingredients in your daily bread & fruit bowls why your brain thrives on fat & cholesterol & how you can spur the growth of new brain cells at any age He offers an in-depth look at how we can take control of our 'smart genes' through specific dietary choices & lifestyle habits demonstrating how to remedy our most feared maladies without drugs With a revolutionary 30-day plan GRAIN BRAIN teaches us how we can reprogram our genetic destiny for the better