Dr. Phil McGraw is a known TV personality. In The 20/20 Diet, Dr. Phil McGraw provides seven reasons why most diets fail. He analyses hunger, cravings, restriction, boredom, temptations and getting over disappointing results. This book features a plan created by Dr. Phil and his team. Readers will start by eating 20 key ingredients (the "20/20 Foods") which will enhance your body’s "thermogenesis" (helps you feel fuller).