(HealthDay News) -- Melanoma is a dangerous form of skin cancer. Knowing your risk factors may help prevent melanoma and detect it early.

The U.S. National Cancer Institute says risk factors for melanoma include:

  • Significant exposure to sunlight's ultraviolet rays. Sunscreen can help prevent UV rays from damaging the skin.
  • Use of tanning booths.
  • Having had a severe, blistering sunburn.
  • Living in an area where the sun is strongest.
  • Having a personal or family history of skin cancer.
  • Having 50 or more "common moles."
  • Having very fair skin that burns easily.