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Health and safety information
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test methods and performance requirements
for hearing aids and wireless phones so that
no interference occurs when a person uses a
compatible phone and a compatible hearing
aid at the same time. This standard was
approved by the IEEE in 2000.
FDA continues to monitor the use of wireless
phones for possible interactions with other
medical devices. Should harmful
interference be found to occur, FDA will
conduct testing to assess the interference
and work to resolve the problem.
10.What are the results of the research
done already?
The research done 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 energy (RF)
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 we don’t know with certainty
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