The results of a massive study involving the effect of high levels of radio frequency radiation used in mobile phones on rats may be a warning sign for humans: the male rats developed cancerous heart, brain and adrenal gland cancerous tumors.
The U.S. Food and Drug Administration had asked for the study to be conducted on radio frequency radiation (RFR) emissions of wireless communication devices for several reasons: the potential for health effects of long-term exposure had not been comprehensively tested; epidemiology and toxicology studies had yielded mixed results, and the studies that were conducted on laboratory animals were limited in their scope.
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