LG US375 User Manual page 103

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3. What kinds of phones are the subject of this update?
The term "wireless phone"refers here to handheld wireless phones with built-in
antennas, often called "cell", "mobile", or "PCS"phones. These types of wireless phones
can expose the user to measurable Radio Frequency (RF) energy because of the short
distance between the phone and the user's head.
These RF exposures are limited by FCC safety guidelines that were developed with
the advice of the FDA and other federal health and safety agencies. When the phone
is located at greater distances from the user, the exposure to RF is drastically lower
because a person's RF exposure decreases rapidly with increasing distance from
the source. The so-called "cordless phones,"which have a base unit connected to
the telephone wiring in a house, 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 Radio Frequency (RF) energy 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 cancercausing 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 do not 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
Safety
101

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