Occupational exposure to magnetic fields and breast cancer among Canadian men

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This population-based case-control study tried to examine the association between occupational exposures to extremely low frequency (ELF) magnetic fields (MF) and breast cancer in men. A total of 115 cases and 570 controls participated in the study. The MF exposure was estimated via expert assessment, using the information on participants’ job histories, where the average MF exposure for individual jobs was classified into three categories (less than 0.3, 0.3 to less than 0.6, and 0.6 microtesla, μT or more). There was a non-significant increased risk of breast cancer in men who were exposed to 0.6 μT or more (OR = 1.80, 95% CI = 0.82-3.95) when compared to the group exposed to less than 0.3 μT. The study found inconsistent association between occupational MF exposure and breast cancer in men.

Link to PubMed abstract

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