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, ...

Doctors advise vigilance regarding nail changes, as these may indicate health issues, including a rare skin cancer called subungual melanoma. Often affecting the big toe, thumb, or index finger, this ...

But the line got darker — and in three months, she was told she had melanoma, a serious form of skin cancer, underneath her ...

He later died of melanoma." Sore that looks like a diabetic ulcer Keeping an eye out for a brown or black vertical line under a toenail is key as it may look like an injury. Even if you have had ...