The worse thing about skin damage from the sun is cancer. Once a spot of melanoma breaks out, it can spread to lungs and other organs, not just skin. So if you notice a flaky or colored patch of skin that doesn't heal normally, it is best to go see a dermotologist to freeze it. "Nip it in the bud", is the best policy for cancers that metastasize and spread. The earlier the detection the better. I have a family member with melanoma and radiation and chemo don't work well on it. It's hard to imagine that squirt of liquid nitrogen on the skin years earlier could possibly save a life.
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