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Working the Graveyard Shift Ups Your Cancer Risk
Posted by: Dr. Mercola
December 04 2007 | 5,317 views

Late-night work hours will soon be listed as a probable cause of cancer. The International Agency for Research on Cancer, which is part of the World Health Organization, plans to add overnight shift work to the list of probable carcinogens.

Scientists suspect that overnight work disrupts your body’s circadian rhythm, which is your biological clock. The hormone melatonin, which suppresses tumor development, is normally produced by your body while you sleep at night.

Nearly 20 percent of the working population in developed countries work night shifts.

Sources:

  CBS News November 29, 2007




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