The book sets out in an unconventional and popular way the reasons for the permanent crisis in world medicine and healthcare. The situation in the CIS countries is presented. The problems of optimal selection of a doctor by a patient, followed by the latter monitoring the treatment process together with the physician, and many other problems are considered, sometimes with humor. A special chapter is dedicated to victims of medical errors. An attempt has been made to put self-medication on a scientific basis. The appendix shows the most important laboratory clinical indicators. For a wide range of readers.