What is an ingrown toenail? Ingrown toenails, a condition also known as onychocryptosis, occur when the edge of a toenail cuts into the tissue surrounding it or when the skin around a toe grows over ...

Toenail fungus can turn an otherwise healthy toenail into a discolored, thickened, and cracking one. While fungal toenail infections may be fairly common, this doesn’t mean you should use common ...

Two experts explain how to properly clean toenails, how often you should do this, and what happens if you don't (gulp). Here's what to know.

If you're a runner, you know that black toenails are common—but that doesn't mean you have to put up with them. Black toenails are common among marathoners and other serious runners, but you don't ...