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base stations operate at higher power than do the
wireless phones themselves, the RF exposures that
people get from these base stations are typically
thousands of times lower than those they can get
from wireless phones. Base stations are thus not
the primary subject of the safety questions
discussed in this document.
4. 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 radio frequency
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
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research needs in the context of the latest research
developments around the world.
5. What steps can I take to reduce my exposure to
radio frequency energy from my wireless phone?
If there is a risk from these products—and at this
point we do not know that there is—it is probably
very small. But if you are concerned about avoiding
even potential risks, you can take a few simple
steps to minimize your exposure to radio frequency
energy (RF). Since time is a key factor in how much
exposure a person receives, reducing the amount of
time spent using a wireless phone will reduce RF
exposure.
If you must conduct extended conversations by
wireless phone every day, you could place more
distance between your body and the source of the
RF, since the exposure level drops off dramatically
with distance. For example, you could use a
headset and carry the wireless phone away from
your body or use a wireless phone connected to a
remote antenna
Again, the scientific data do not demonstrate that
wireless phones are harmful. But if you are
concerned about the RF exposure from these
products, you can use measures like those
described above to reduce your RF exposure from
wireless phone use.
6. What about children using wireless phones?
The scientific evidence does not show a danger to
users of wireless phones, including children and
teenagers. If you want to take steps to lower
exposure to radio frequency energy (RF), the
measures described above would apply to children
and teenagers using wireless phones. Reducing the
