Why are new diets and treatments constantly being invented? Overweight individuals try countless methods to reduce their weight. With each new attempt, they hope to have found the solution to their problem this time. Disappointment is almost guaranteed. In the first edition of this book, Dr. M.O. Bruker examined many well-known diet forms under a medical lens, with some alarming results. Numerous popular nutrition tips are based on no serious patient experience. His co-author Ilse Gutjahr has now added a series of diets that have become fashionable in recent years. But her conclusion remains: Those who want to do something for their health in the long term and permanently will not find the solution in diets.