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    Cause

    Nonmelanoma skin 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 -- Prevention

    If you are at risk for skin cancer, take the following precautions whenever possible: Avoid intense sun exposure by staying out of it from 10 a.m. to 2 p.m.. Outside, wear a hat with a brim, long sleeves, trousers, and sunglasses that block UV radiation. Use UPF (Ultraviolet Protection Factor) clothing. Or use Rit Sun Guard Laundry Treatment UV Protectant. Use a sunscreen with a sun protection factor (SPF) of 30 or higher whenever you are outside. Report suspicious skin lesions to...

    Read the Understanding Skin Cancer -- Prevention 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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