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Cancer
Study finds no link between working the night shift and an increased risk of cancer
September 3rd, 2007
Working the night shift doesn't appear to increase the risk of developing cancer, suggests the findings of a new study of Swedish workers. Recent studies – and corresponding news headlines – have found that regularly working the night shift may increase the risk of developing breast, prostate and colon cancers. Some researchers say that the connection could be due to a decrease in the production of the hormone melatonin, as some animal experiments suggest that the hormone may have anti-cancer properties. Our bodies produce their highest levels of melatonin at night, during sleep, but exposure to light at night suppresses melatonin production, said...
Source: Health & Medicine Week (2007-09-03)
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