Essay
People with the genetic disease xeroderma pigmentosum have compromised DNA repair mechanisms,making them extremely sensitive to genetic damage from sunlight.Without taking measures to minimize exposure,these individuals typically succumb to skin cancer in childhood or early adulthood-a demonstration of the mutagenicity of ultraviolet radiation.Yet,deliberate exposure in the form of sunbathing is very popular with some segments of the population.Why do you think this is so,and how might public health professionals raise awareness of the danger in which these people place themselves?
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