In this book you will find a lot of useful tips that will help you improve the work of your digestion without using medicines. Particular emphasis is placed on the peculiarities of nutrition in a particular disorder. The book is devoted to the most common diseases of the gastrointestinal tract that modern people suffer from: chronic gastritis, heartburn, malfunction of the gallbladder, fatty hepatosis, intestinal dysbiosis, constipation, irritable bowel syndrome, etc.