Dark spots, also called hyperpigmentation, are caused by an overproduction of melanin. Common triggers include sun exposure, hormonal changes, acne, eczema, and skin injuries. What over-the-counter ...

Dermatologist Dr. Nancy Samolitis breaks down how to treat dark spots, melasma, and sun damage on the 'Live + Well' podcast. Discover what actually works and what to avoid.

Dark spots on the skin are considered a major cosmetic problem. These small brown spots, which appear on the face, arms, and shoulders, are often harmless and are associated with ultraviolet radiation ...

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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 ...