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hearing aid professional about the extent to which your hearing aids are immune 
to interference, if they have wireless phone shielding, and whether your hearing 
aid has a HAC rating.
FOR MORE INFORMATION ABOUT HEARING AIDS AND DIGITAL WIRELESS 
PHONE
  FCC Hearing Aid Compatibility and Volume Control – 
http://www.fcc.gov/cgb/dro/hearing.html
  Hearing Loss Association of America – 
http://www.hearingloss.org/learn/cellphonetech.asp
  CTIA – 
http://www.accesswireless.org/hearingaid/
  Gallaudet University, RERC – 
http://tap.gallaudet.edu/voice 
FDA CONSUMER UPDATE
U.S. FOOD AND DRUG ADMINISTRATION - CENTER 
FOR DEVICES AND RADIOLOGICAL HEALTH 
CONSUMER UPDATE ON WIRELESS 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 home screen. 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 FDA’s role concerning the safety of wireless phones?
Under the law, 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, 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, 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.
FDA belongs to an interagency working group of the federal agencies that have 
responsibility for different aspects of RF safety to ensure coordinated efforts at the 
federal level. The following agencies belong to this working group:
  National Institute for Occupational Safety and Health
  Environmental Protection Agency
  Federal Communications Commission