If you've been struggling with your weight, you know how hard it can be to lose those extra pounds and keep them off. In the groundbreaking Think Thin, Be Thin , nationally prominent psychotherapist Doris Wild Helmering and award-winning health writer Dianne Hales assert that the true key to a healthy body weight is a healthy attitude toward food and exercise. Their logic is simple: Your brain ultimately controls what you eat and whether you work...