For more than 50 years, the author of the book, Alexander Sushansky, MD, a nutrition specialist, has been restoring his patients' normal relationships with food and digestion. In the process, the author created a unique system — the theory of systemic nutrition. She will answer the most important question about food that we ask ourselves every day: how and what to eat to be healthy.A fundamental work on nutrition, which simply and easily tells about the vulnerabilities and structure of the digestive system, about the basic principles of a healthy diet and offers a program for the transition to a healthy diet.Eat right and be healthy!It is not a textbook on medicine. All recommendations should be coordinated with the attending physician.