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Melanoma/Skin Cancer Health Center

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Nonmelanomaskin cancer is usually caused by overexposure to the sun and its ultraviolet (UV) rays. Overexposure to UV rays can result from:

  • Having severe sunburn and blistering, especially during childhood.
  • Spending a lot of time in the sun over many years.
  • Using tanning beds or sunlamps, which are artificial sources of UV rays.

Other possible causes of skin cancer include repeated exposure to X-rays, certain chemicals (such as arsenic, coal tar, creosote), and radioactive substances (such as radium). Skin cancer may also be caused by ionizing radiation treatments for skin conditions such as psoriasis or acne.

Recommended Related to Melanoma/Skin Cancer

Understanding Skin Cancer -- the Basics

Skin cancers involve abnormal cell changes in the outer layer of skin. It is by far the most common cancer in the world, accounting for 75% of all cancer diagnoses. Most cases are cured, but the disease is a major health concern because it affects so many people. The incidence of skin cancer is rising, even though most cases could be prevented by limiting the skin's exposure to ultraviolet radiation. Skin cancer is about three times more common in men than in women, and the...

Read the Understanding Skin Cancer -- the Basics article > >

WebMD Medical Reference from Healthwise

Last Updated: November 14, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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