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How Does Ultraviolet Radiation Cause Skin Cancer?

April 26, 2017cause radiation skin cancer ultraviolet

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How Does Ultraviolet Radiation Cause Skin Cancer?

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The prevailing theory involves damage to the DNA of skin cells. It is the shorter UVB rays, which penetrate only the top layers of the skin, that are suspect, while the longer and more deeply penetrating UVA rays cause wrinkles and aging. In tissue cultures, UV damages the DNA of cells, but humans have an enzyme that repairs it.