We are used to believing that garlic strengthens the immune system, and antibiotics destroy all living things. The ubiquitous marketers have convinced us that gluten is poison and multivitamins are a panacea, taught us to walk 10,000 steps daily and drink 8 glasses of water. Social networks have introduced new standards of beauty and a healthy lifestyle into consciousness. And now life is not sweet for us without regular jogging, exhausting workouts in the gym, breathing practices and a vegetarian diet. In his book, Andrei Sazonov, again with his characteristic irony, armed with the latest achievements of science and technology, refutes one by one the myths about medicine and a healthy lifestyle . Gives qualified answers to pressing questions: To vaccinate or not to vaccinate? Is it possible to escape from a heart attack? Are there any benefits to fasting and loading days? By reporting on the results of private research, the author teaches us to independently find the correct answers to any questions. Separate flies from meat and myths from facts!