Acanthosis nigricans can affect otherwise healthy people or can be associated with internal malignancy, endocrine abnormalities, or obesity. Some cases have a familial tendency. Acanthosis ...

Medically known as acanthosis nigricans, this condition is usually the first sign of diabetes. Doctors say many affected areas of your skin also itch and have an odour, so, the most effective ...

Medically reviewed by Casey Gallagher, MD Fact checked by Khara Scheppmann Armpit rashes can be caused by allergic reactions, ...