Diseases and Conditions

Acanthosis nigricans

Risk factors

Acanthosis nigricans risk factors include:

  • Obesity. The heavier you are, the higher your risk of acanthosis nigricans.
  • Race. Studies show that in the United States, acanthosis nigricans is more common among Native Americans.
  • Family history. Some types of acanthosis nigricans appear to be hereditary.