A study of more than 3,000 women suggested that working overnight increased the risk of early-stage cancer by 49% compared with doing normal office hours. One possible explanation was disruption of the sleep hormone melatonin, the researchers said. But experts warned more work was needed and there might be other explanations. Read more here.
Study mentioned: Bhatti P, et al. Nightshift work and risk of ovarian cancer. Occup Environ Med. 2013 Apr;70(4):231-7. PMID: 23343856
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