LG P930 User Manual page 21

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 predisposed 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 longterm 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
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