Magnetic Fields Tied to Railway Workers' Cancer

There is little evidence that everyday exposure to EMFs -- from power lines or electric blankets, for instance -- raise the risk of cancer in adults.

Published: 01-Jun-2007

NEW YORK (Reuters Health) - Railway workers exposed to low-frequency magnetic fields may have an elevated risk of certain blood cancers, new study findings suggest.

In a study of more than 20,000 Swiss railway workers who were followed for 30 years, researchers found that certain workers' risk of myeloid leukemia and Hodgkin's lymphoma climbed in tandem with their exposure to very low-frequency magnetic fields.

Train drivers, who had the greatest exposure, were nearly five times more likely to develop myeloid leukemia than station managers, the workers with the lowest exposure to magnetic fields.

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