Since diets don't work, and so many people have unhealthy relationships with food, the key to weight loss is not what you put in your mouth-it's what goes on in your mind. Brain-imaging technology has shown that thought patterns driven by willpower can actually change the structure of the brain. Using this scientific basis for her program, Dr. Darcy Buehler has helped hundreds of people lose weight and keep it off. In Think Yourself Thin, Dr. Buehler...