Oleg Abakumov - therapist, pulmonologist and winner of the popular recognition competition "Thank you, doctor!." The book contains everything that a person needs to know who does not want to get sick and seeks to better understand his body. How not to start the disease? Can private clinics be trusted? And state? What should be in a home medicine cabinet? Antibiotics and antiviral, vitamins and dietary supplements, mustard plasters and all kinds of folk remedies - which medicines really work and which do not? The author will tell you about the most common symptoms of diseases, about important and useless analyzes, as well as how to be treated as efficiently as possible.