In this book, weight-loss trailblazer Dr. Sanford Siegal gives you a 28-day diet plan that helps most people lose pounds fast-and serves as an important indicator. That's because if you don't lose a lot of weight on the plan, you'll know that you may very well have a sluggish thyroid, a condition that most conventional tests fail to detect. A diet book with a difference, filled with groundbreaking medical insight and case studies, here is a guide to taking control of your weight and your health that finally answers the question... IS YOUR THYROID MAKING YOU FAT?