One of the dirtiest places on the human body is not your butt or mouth. No, the honor goes to an often-forgotten hole: the belly button. Dermatologists say people often forget to clean their belly ...

Everyone has a belly button. It’s the small fold of skin that formed in your abdomen after the umbilical cord was clipped at birth. Belly buttons can be concave (innies) or convex (outies). ‌ Most of ...