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FDA Consumer Update

The U.S. Food and Drug Administration’s Center for
Devices and Radiological Health Consumer Update on
Mobile Phones.

1. Do wireless phones pose a health hazard?

The available scientific evidence does not show that any health
problems are associated with using wireless phones. There is no proof,
however, that wireless phones are absolutely safe. Wireless phones
emit low levels of radiofrequency energy (RF) in the microwave range
while being used. They also emit very low levels of RF when in the
stand-by mode. Whereas high levels of RF can produce health effects
(by heating tissue), exposure to low level RF that does not produce
heating effects causes no known adverse health effects. Many studies
of low level RF exposures have not found any biological effects. Some
studies have suggested that some biological effects may occur, but
such findings have not been confirmed by additional research. In some
cases, other researchers have had difficulty in reproducing those
studies, or in determining the reasons for inconsistent results.

2. What is the FDA's role concerning the safety of wireless phones?

Under the law, the FDA does not review the safety of radiation-emitting
consumer products such as wireless phones before they can be sold,
as it does with new drugs or medical devices. However, the agency
has authority to take action if wireless phones are shown to emit
radiofrequency energy (RF) at a level that is hazardous to the user. In
such a case, the FDA could require the manufacturers of wireless
phones to notify users of the health hazard and to repair, replace or
recall the phones so that the hazard no longer exists. 

Although the existing scientific data do not justify FDA regulatory
actions, the FDA has urged the wireless phone industry to take a
number of steps, including the following:

Support needed research into possible biological effects of RF of

the type emitted by wireless phones;

Design wireless phones in a way that minimizes any RF exposure

to the user that is not necessary for device function; and

Cooperate in providing users of wireless phones with the best

possible information on possible effects of wireless phone use on
human health.

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