She immediately told her customer that the dark line was likely a symptom of melanoma. Subungual melanoma (aka nail melanoma) ...

Although melanoma primarily affects fair-skinned people, people with darker skin are also at risk but often go undiagnosed ...

From trauma to a toenail fungus, there are many reasons why you may have a black toenail. Here's what it means, how to treat ...

Nail changes can reveal hidden health issues long before other symptoms appear. Here's what to watch for and why it matters.