Is there a connection between working at night and developing breast cancer?

A research published in the journal Occupational and Environmental Medicine looked at women who work more than two night shifts per week over several years. The participants appear to have a forty percent higher risk of developing breast cancer. The risk increases fifty percent in women who worked at least three night shifts a week for minimum of six years. A possible explanation is a disruption in the melatonin production, a hormone that protects against cancer. What recommendations do you make to your patients on how to improve their sleep and circadian rhythm?

http://www.medicalnewstoday.com/articles/245914.php

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