Every day we do hundreds of stupid things - in the kitchen, in the bathroom, in the bedroom and at the desk. For some reason, we effortlessly rub ourselves with a washcloth, buy orthopedic mattresses and are afraid of going blind from constant work at the computer. From this book you will learn how to live according to science and not die prematurely. Debunking myths on every page!• We don’t need antibacterial soap• But we need to choose toothpaste wisely, otherwise we’ll have to treat our teeth later• Due to improper hand washing, we more often get ARVI• Water filters can harm us• The toilet seat is cleaner than it seems, but the carpet is not very good • It’s a terrible pity, but kissing pets is still not worth it. Medical journalist Daria Sargsyan tried to understand our everyday behavior from the point of view of evidence-based medicine: what is good for us, what is absolutely not, and what in general it makes no sense. “Why is this and not otherwise?” - her favorite question.