Dermatologist Olga Mironova took swabs from 200 patients. From different body parts. Armpits, groin, feet, behind ears. The results under the microscope were shocking. The dirtiest part is the belly button. 10 times dirtier than armpits. 99% of people don’t wash it at all. They think — water gets in by itself, it’s clean there. Wrong. The belly button is a fold. Warm, moist, closed off from air. Fungi feel like they’re in a resort there. They multiply for years. You don’t see them, don’t feel th