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 ...

When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

Tucked inside their favorite pair of running shoes you’ll find what runners consider both a disgusting side effect of the sport and a badge of honor: bruised, black toenails (if the nail is still even ...

Black toenails are sometimes seen as a badge of honor among runners. But, our test staff knows that the easiest way to prevent them from occurring is to go up a half size in your running shoes. Test ...

Cristiano posted the slideshow with the caption, “Vacation mood,” with a sunglasses smiley face emoji. In the first photo, he sat shirtless on a couch aboard a boat while wearing nothing but a pair of ...