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of CC75 MARS FCC_1COL us-en, (07.10.2005, 16:08)
in one visual test when they were exposed to simulat-
ed mobile phone signals. This was the only change
noted among more than 20 variables compared.
• In a study of 209 brain tumor cases and 425 matched
controls, there was no increased risk of brain tumors
associated with mobile phone use. When tumors did
exist in certain locations, however, they were more
likely to be on the side of the head where the mobile
phone was used. Because this occurred in only a small
number of cases, the increased likelihood was too
small to be statistically significant.
In summary, we do not have enough information at this
point to assure the public that there are, or are not, any
low incident health problems associated with use of
mobile phones. FDA continues to work with all parties,
including other federal agencies and industry, to assure
that research is undertaken to provide the necessary an-
swers to the outstanding questions about the safety of
mobile phones.
What is known about cases of human cancer that
have been reported in users of hand-held mobile
phones?
Some people who have used mobile phones have been
diagnosed with brain cancer. But it is important to un-
derstand that this type of cancer also occurs among
people who have not used mobile phones. In fact, brain
cancer occurs in the U.S. population at a rate of about 6
new cases per 100,000 people each year. At that rate,
U.S. FDA
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