What is acanthosis nigricans?

Acanthosis nigricans is a skin ailment characterized by velvety, light-brown to black marks on any location but usually on the skin folds of the armpits, neck, groin and beneath the breasts. What are the causes? Acanthosis nigricans can develop among healthy individuals or might be linked with certain medical ailments. Oftentimes, it is congenital. The […]

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