One of the most intriguing body parts, explained. The belly button is a mysterious part of our bodies—and with a rise in midriff-baring fashion, navel tattoos, and belly button piercings, we can’t ...

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 ...