U.S. FDA
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1. In a hospital-based, case-control study, researchers
looked for an association between mobile phone use
and either glioma (a type of brain cancer) or acoustic
neuroma (a benign tumor of the nerve sheath). No sta-
tistically significant association was found between mo-
bile phone use and acoustic neuroma. There was also
no association between mobile phone use and gliomas
when all types of gliomas were considered together. It
should be noted that the average length of mobile
phone exposure in this study was less than three years.
When 20 types of glioma were considered separately,
however, an association was found between mobile
phone use and one rare type of glioma, neuroepithelli-
omatous tumors. It is possible with multiple compari-
sons of the same sample that this association occurred
by chance. Moreover, the risk did not increase with how
often the mobile phone was used, or the length of the
calls. In fact, the risk actually decreased with cumulative
hours of mobile phone use. Most cancer causing agents
increase risk with increased exposure. An ongoing
study of brain cancers by the National Cancer Institute is
expected to bear on the accuracy and repeatability of
these results.
1
2. Researchers conducted a large battery of laboratory
tests to assess the effects of exposure to mobile phone
RF on genetic material. These included tests for several
kinds of abnormalities, including mutations, chromo-
somal aberrations, DNA strand breaks, and structural
changes in the genetic material of blood cells called