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Safety Guidelines
wireless phones can expose the user to measurable
radiofrequency energy (RF) 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
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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
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