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Many studies of low-level RF exposures have not uncovered any biological effects. Although some studies have suggested that some
biological effects may occur, such findings have not been confirmed by additional research. In some cases, other researchers have had
difficulty in reproducing those studies, and/or determining the reasons for inconsistent results.
3. What are the results of the research done already?
The research conducted thus far has produced conflicting results, and many studies have suffered from flaws in their research methods.
Animal experiments investigating the effects of Radio Frequency (RF) energy exposures characteristic of wireless phones have yielded
conflicting results that often cannot be repeated in other laboratories. A few animal studies, however, have suggested that low levels of
RF could accelerate the development of cancer in laboratory animals. However, many of the studies that showed increased tumor
development used animals that had been genetically engineered or treated with cancer-causing chemicals so as to be pre-disposed to
develop cancer in the absence of RF exposure. Other studies exposed the animals to RF for up to 22 hours per day. These conditions are
not similar to the conditions under which people use wireless phones, so it is largely unknown what the results of such studies mean for
human health and safety. Three large epidemiology studies have been published since December 2000. These studies investigated
possible associations between the use of wireless phones and primary brain cancer (glioma, meningioma, acoustic neuroma, other brain
tumors, salivary gland tumors), leukemia, or other types of cancer. None of the studies demonstrated the existence of any harmful
health effects from wireless phone RF exposures. However, none of the studies can provide absolute findings about long-term exposures