You have probably noticed it at some point: a small clump of fluff sitting in your belly button. It is not that it looks like much damage, as most people shrug and ignore it. However, have you ever ...

Jane Kim, MD, is currently a medical editor and writer. She also consults on digital content for physician medical education. Risk factors for navel stones include inadequately cleaning your belly ...

Lint: we know you so little, respect you even less, yet in peril you might save our lives.

Belly buttons are most people's first scars, which form when doctors cut their umbilical cord after birth. Most innies are full of dozens of kinds of bacteria, fungi, and lint - especially if they're ...