The Gravity of Weight: A Comprehensive Approach to Weight Loss and Maintenance, is the attempt to explain some of these discrepancies and explore particularly why, for most people, it is so difficult to lose weight and maintain that loss. No one has all the answers, but an understanding of the science, of both mind and body, behind these complexities is a beginning. This book enable us to appreciate just how unpredictable-and even seemingly capricious-the consequences of obesity can be and how much we still do not know about the complex subject of weight.