Electromagnetic Field Toxicology Reporter

Evaluation and Assessment of Extremely Low Frequency EMF Bioeffects
Volume 3, Number 2, June 2001

Toxicology

by Robert B. Goldberg, Ph.D., Editor

Summary

Studies examining the toxic effects of short and longer-term exposure to magnetic resonance imaging (MRI) fields (high intensity static magnetic fields, with or without radiofrequency and magnetic gradient components) have, for the most part, shown no effects, but studies from the University of Illinois and Korea showed significant adverse effects on the offspring of exposed pregnant mice. Another mouse study showed co-exposure to ionizing radiation and 60-Hz magnetic fields had no significant additive effect on mortality or tumor incidence, but there was some tendency towards an accelerated development of radiation-induced lymphoblastic lymphomas. A detailed review examined factors that may have contributed to a failure by a US research group to replicate the EMF-enhanced induction of mammary tumors in rats exposed to the chemical carcinogen DMBA reported from over a decade of experiments by a German research group. A Swiss group reported changes in the electroencephalographic patterns of human subjects exposed to cell phone radiofrequency fields that lasted beyond the period of exposure. Studies of electrical hypersensitivity have verified the physiological nature of the responses but have not been able to provide a clear explanation for the cause. One possible explanation involves an interaction with infectious agents as a co-factor in the response.

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