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Does Cell Phone Can Really Cause Brain Tumors?

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Does cell phone can really cause brain tumors?

Cell phones and cancer are in the news all the time now it seems. But almost everyone uses cell phones. All over the world, tens of millions of people are pressing them against their heads for hours every day. In the U.S. it is estimated that there were at least 100 million cell phone users, as of early 2002, and that number has continued to climb. The finding, from the agency's International Agency for Research on Cancer, adds to concerns among a small but growing group of experts about the health effects of low levels of radiation emitted by cellphones. The panel, which consisted of 31 scientists from 14 countries, was led by Dr. Jonathan M. Samet, a physician and epidemiologist at the University of Southern California and a member of President Obama's National Cancer Advisory Board. The group didn't conduct any new research but reviewed numerous existing studies that focused on the health effects of radio frequency magnetic fields, which are emitted by cellphones. During a news conference, Dr. Samet said the panel's decision to classify cellphones as "possibly carcinogenic" was based largely on epidemiological data showing an increased risk among heavy cellphone users of a rare type of brain tumor called a glioma. Most major medical groups, including the American Cancer Society and the National Cancer Institute, have said the existing data on cellphones and health has been reassuring. For years, concerns about the health effects of cellphones have been largely dismissed because the radio frequency waves emitted from the devices are believed to be benign. Cellphones emit nonionizing radiation, waves of energy that are too weak to break chemical bonds or to set off the DNA damage known to cause cancers. Scientists have said repeatedly that there is no known biological mechanism to explain how nonionizing radiation might lead to cancer or other health problems. The panel made no comment on how large or small a risk cellphone radiation may pose to human health. Our task was not to quantify risk, said Dr. same. Although the panel did not make specific recommendations to consumers, a representative did note that using a hands-free headset during a conversation or communicating via text message would be options for lowering radio frequency exposure. The panel's recommendation is unlikely to have any immediate effect, but is expected to be used as guidance by the World Health Organization, which may make recommendations about cellphone safety. Dr. Meir Stampfer, a professor of epidemiology at the Harvard School of Public Health who is a paid adviser for the cellphone industry, said it was important to remember that the panel's decision to rank cellphones as a possible carcinogen was very different from saying that they pose a real health risk. It's a very thoughtful group, but the important thing is putting it into the

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