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Bringing a growing health concern to Congress, scientists squared off Thursday over whether cell phones contribute to brain cancer.

Studies have indicated that long-term cell phone use may be associated with brain cancer, according to Dr. Ronald Herberman, director of the University of Pittsburgh Cancer Institute, and Dr. David Carpenter, director of Institute for Health and the Environment at University of Albany. They both testified in front of the House Subcommittee on Domestic Policy.

"I cannot tell this committee that cell phones are definitely dangerous. But, I certainly cannot tell you that they are safe," Herberman said.

Herberman and Carpenter cited the results from a study recently presented by Dr. Lennart Hardell of Örebro University in Sweden.

The results indicated that people who use cell phones have double the chance of developing malignant brain tumors and acoustic neuromas, which are tumors on the hearing nerve. The study also said people under age 20 were more than five times as likely to develop brain cancer. Read full article »

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