You hear much about sunlight causing skin cancer. Indeed, solar ultraviolet radiation seems to account for approximately 93 percent of skin cancers and about half of lip cancers.((Gallager RP, Ultraviolet radiation, Chronic Dis Can., 1010,29 Suppl 1:51-68)) However,...
Sunlight’s Dual Nature: Curative or Deadly? What TV’s Dermatologists Do Not Mention
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