ultraviolet radiation [also called UV radiation]

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(ul-tra- VYE-o-let ray-dee-AY-shun)

Invisible rays called UVA and UVB that come from the sun. Scientists believe that these sun rays cause melanoma and other types of skin cancer, as well as premature aging. Skin specialists recommend that people use sunscreens that reflect, absorb, or scatter both kinds of UV radiation.

Read more about skin care and the sun.


Audio contributed by: Marisa Weiss, M.D.

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