Sunburn is due to the skin by UV damage, secrete a large number of melanoma, the melanoma was not normal metabolism and caused the fall. Sunburn will only appear on the face, often exposed to the sun’s arm and the back will be such a spot. The young president of the skin may not sunburn, even though there are some minor spot, with the rapid metabolism will gradually disappear. However, after the 30-year-old skin, due to slow metabolism, and their secretion of a melanoma, if frequent contact with the sun or exposure, it is easy to generate stain, and may become permanent.
In order to prevent sunburn, of any age should pay attention to sun, so that to avoid skin damage by ultraviolet light. UVA ultraviolet light on skin damage can be cumulative, and not to eliminate. Ignore the sun, generating not only stain, but also may increase the risk of skin cancer.
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