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FDA Consumer Update
70
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.
6. What is FDA doing to find out more about the possible health
effects of wireless phone RF?
FDA is working with the U.S. National Toxicology Program and with groups
of investigators around the world to ensure that high priority animal studies
are conducted to address important questions about the effects of
exposure to radiofrequency energy (RF). FDA has been a leading
participant in the World Health Organization International Electromagnetic
Fields (EMF) Project since its inception in 1996. An influential result of this
work has been the development of a detailed agenda of research needs
that has driven the establishment of new research programs around the
world.
The Project has also helped develop a series of public information
documents on EMF issues. FDA and the Cellular Telecommunications &
Internet Association (CTIA) have a formal Cooperative Research and
Development Agreement (CRADA) to do research on wireless phone
safety. FDA provides the scientific oversight, obtaining input from experts
in government, industry, and academic organizations. CTIA-funded
research is conducted through contracts to independent investigators. The
initial research will include both laboratory studies and studies of wireless
phone users. The CRADA will also include a broad assessment of
additional research needs in the context of the latest research
developments around the world.
7. How can I find out how much radiofrequency energy exposure I
can get by using my wireless phone?
All phones sold in the United States must comply with Federal
Communications Commission (FCC) guidelines that limit radiofrequency
energy (RF) exposures. FCC established these guidelines in consultation
with FDA and the other federal health and safety agencies. The FCC limit
for RF exposure from wireless telephones is set at a Specific Absorption
Rate (SAR) of 1.6 watts per kilogram (1.6 W/kg). The FCC limit is
consistent with the safety standards developed by the Institute of Electrical
and Electronic Engineering (IEEE) and the National Council on Radiation