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doubleplay | User Guide
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 exposures, since the average period
of phone use in these studies was around three
years.
5. What research is needed to decide whether
RF exposure from wireless phones poses a
health risk?
A combination of laboratory studies and
epidemiological studies of people actually using
wireless phones would provide some of the
data that are needed. Lifetime animal exposure
studies could be completed in a few years.
However, very large numbers of animals would
be needed to provide reliable proof of a cancer
promoting effect if one exists. Epidemiological
studies can provide data that is directly applicable
to human populations, but ten or more years
follow-up may be needed to provide answers
about some health effects, such as cancer. This
is because the interval between the time of
exposure to a cancer-causing agent and the time
tumors develop — if they do — may be many,