The WHO estimates that almost 2 billion adults are overweight, of which over 650 millions are obese. More than 40 million children under age 5 suffer from being overweight. In addition to its social and psychological impact, obesity can lead directly to certain diseases, such as Type 2 diabetes and cardiovascular conditions. Precise and informational, this book reviews current research as well as the most promising prospects for the care of patients and their loved ones.