Why pain should not be tolerated, whether jellied meat is good for joints, whether a fracture is out of the blue, and other surprising facts about rheumatological symptoms and diagnoses. Each diagnosis is followed by a story where the main character is a living (real) person with his own diagnosis, trials and victories. For anyone interested in looking behind the scenes of medicine. The author is Elena Vystavkina, a rheumatologist, teacher at Rostov State Medical University, candidate of medical sciences, mother of three children, more than five thousand grateful patients.