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typically operate at far lower
power levels, and thus
produce RF exposures far
below the FCC safety limits.
4. 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
radiofrequency 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 what the results of
such studies mean for human
health. Three large
epidemiology studies have
been published since
December 2000. Between
them, the studies investigated
any possible association
between the use of wireless
phones and primary brain
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