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04
Mon, Jul

Does working nights and night-shift work cause breast cancer? - Reuters (article link)

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Earlier research in animals had suggested that disturbances in the light-dark cycle could knock certain chemicals in the body, melatonin and estrogen off balance, and as a result increase cancer risk.
- The WHO International Agency for Research on Cancer had concluded that night-shift work was a probable cause of cancer.
- U.K. Health and Safety Executive issued a report estimating that almost 2,000 British women get breast cancer every year due to shift work.
- A Chinese study however showed no sign of a connection between night-shift work and breast cancer.


Does working nights cause breast cancer?
http://www.reuters.com/article/idUSTRE6444TF20100505