The International Agency for Research on Cancer (IARC) recently unveiled results from an evaluation of cancer risk among night shift workers. The IARC working group discovered that approximately 20% of the global population regularly work during the night, and concluded that "a number of occupational, individual, lifestyle, and environmental factors might mediate, confound, or moderate potential cancer risk." While the Working Group cautioned that there is limited evidence suggesting night shift work is directly linked to an increase in breast, prostate, and colorectal cancer, the study does support previous findings by the IARC from 2007, where night shift work "involving circadian disruption" was seen as an issue of concern and a probable cause of increased cancer risk among this employee group.
To read more about this evaluation, click here.
Source mentioned: International Agency for Research on Cancer (IARC). Carcinogenicity of night shift work. Lancet Oncol. 2019 Jul 4. pii: S1470-2045(19)30455-3. [Epub ahead of print]
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