Women working night shift prone to cancer!!!!

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Working the night shift does more than mess with your sleep schedule. It may up your cancer risk. Recent study found that women who worked at least 3 night shifts a month for 15 years or more had a 32% higher risk of developing colon cancer and 51% greater risk of developing rectal cancer than women who worked during the day.Melatonin, a hormone that is influenced by sunlight and darkness, may be the key. It's thought to suppress tumors, and is in low supply among shift workers.