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…showed last 75 words of 2356 total…The sun not only causes skin cancer; it is a major factor in premature aging also. Luckily, there have been advances in science that can reverse the effects of sun damage. For example, scientists have discovered that vitamin A acid, found in the acne medication Retin-A, can help reduce wrinkling. The safest way to prevent wrinkling though, is to stay out of the sun as much as possible and wear sunscreen all of the time.