Skin Cancer Likelier If Sun Raises Mutation Count in Melanocyte DNA
By overcoming difficulties in genotyping individual melanocytes, scientists have shown that mutations due to sun damage can be tallied to assess the risk of melanoma. Besides pointing to feasible screening protocols, the new work led to several interesting findings. For example, melanoma occurs more often on intermittently sun-exposed areas of the skin than on chronically exposed areas.
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