The author of the book is an outstanding American hygienist, holder of several honorary doctorate degrees, whose works have been translated into many languages of the world, both Western and Eastern. In Russia he is known from individual articles and some works translated into Russian. This book contains the most complete information about the system of nutrition and therapeutic fasting, based on the principles of Natural Hygiene. The reader will also become acquainted with Shelton’s closest ally, Virginia Vetrano (a short biography and her article are included in the book), who continues to be active in the Hygiene Revolution, as this movement for human health is called abroad. The book is intended for both medical workers and and for a wide range of readers.