If you are staring at a dark spot under your fingernail, you may want to see a dermatologist. It could be a form of melanoma. “It is rare, and it’s scary that it’s rare, because a lot of people would ...

(NEXSTAR) – What started out as a “tiny little brown line” on one woman’s fingernail led to a rare, potentially life-threatening medical condition, one that she’s now trying to help others catch early ...