Samsung SGH-X426ZSAAWS - Manual (Page 141)

Health and Safety Information 137
engineered or treated with cancer-causing chemicals so
as to be pre-disposed to develop cancer in 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 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, glaucoma,
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 phones RF exposures. However,
none of the studies can answer questions about long-term
exposures, since average period of phone use in these
studies was around three years.
What research is needed to decide whether RF
exposure from wireless phones poses a health threat?
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