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Critical Review of Tumor Promotion and Related Experimental Studies Using Rfr

There is little experimental tumor-promotion data involving radiofrequency radiation (RFR). Further, only one study could be found involving the specific frequency range of interest (800 to 900 MHz). The remaining studies, described below, employed exposures at 2.45 GHz, the frequency used for most microwave ovens. Thus, the available studies must be evaluated as to the relevance to the actual exposures at lower frequencies. In addition to several single reports of research; there are two sets of studies that have been reported: one set in a cell culture system and another using mouse skin and breast carcinogenesis models. The interpretation of these studies is quite difficult because of the very high doses of a chemical carcinogen used as an initiator and potential tissue and cell heating. When one considers the entire body of information, which admittedly is extremely limited, there is no basis for concluding that RFR induces a tumor-promotion effect in the experimental systems in which it has been tested.