When David Edges's wife spotted a faint brown line on his toenail, he didn't think it was anything to worry about. But Kelly, 47, a skin specialist in the beauty industry, was instantly concerned, ...

Melanoma is one of the most serious forms of skin cancer, and one little-known ... an eye out for a brown or black vertical line under a toenail is key as it may look like an injury.

Medically reviewed by Susan Bard, MD Yellow toenails should never be ignored. They're most often caused by a fungal infection ...

"Nail fungus is hard to live with ... The fungus can easily spread when it invades the skin beside or under the toenail. When ...