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Safety Guidelines
87
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
cancer, glioma, meningioma, or
acoustic neuroma, tumors of the
brain or salivary gland, leukemia, or
other cancers. None of the studies
demonstrated the existence of any
harmful health effects from
wireless phone RF exposures.
However, none of the studies can
answer questions about long-term
CP150 AT&T_ENG_080909 1904.3.30 2:49 AM ˘ ` 87