"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to annoying skincare woes like butt acne or keratosis pilaris (those little bumps you ...

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 ...

Both a bane to runners and—in some strange way—a badge of honor, the black toenail, or subungual hematoma, is actually blood collecting underneath your nail. It can occur from acute or chronic injury, ...

Let’s start with this, Runner’s Toe, aka black toenails from running, is not required to be in the club and is not a 100% certainty for all runners. We often treat our injuries like war stories. Each ...