Editorial
Occupational exposure to magnetic fields and brain cancer
The potential carcinogenicity of electric and magnetic fields encountered in "electrical occupations" has been of concern to researchers and the public for nearly 20 years. Increasingly complex methods of occupational epidemiology have been applied to this issue, culminating in a series of reports in the past decade from studies that are large, apply intricate methods of exposure assessment, and use complex statistical analyses. The article by Sorahan et al1 examining mortality from brain cancer among over 80 000 employees of the former Central Electricity Generating Board is a methodologically strong addition to these publications.
As was found among southern Californian Edison workers in the United
States2 and Danish electric utility workers,3
the British workers show no indications whatsoever of an association between measures of exposure to magnetic fields and mortality from
brain cancer. By contrast, the study of French and Canadian utility
workers provided
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This article has been cited by other articles:
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Kundi, M, Sorahan, T, Harrington, J M
(2002). Occupational exposure to magnetic fields * Authors' reply. Occup. Environ. Med.
59: 496-496
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