LG Electronics MMBB0386201 manual Decide whether RF

Safety

	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?
S	A combination of laboratory
a f e	studies and epidemiological
ty	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 10 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, many years. The interpretation of epidemiological studies is hampered by difficulties in measuring actual RF exposure during day-to-day use of wireless phones. Many factors affect this measurement, such as the angle at which the phone is held, or which model of phone is used.

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