Are cell phones safe? For years, studies have provided conflicting conclusions. But experts agree on one thing: more research is needed to find out the answer, CNET reports. An international group of researchers is gathering in Washington, D.C., later this month to present the findings of studies that have been done so far and to urge government leaders to allocate more funding for research. The issue has already gained the attention of at least one important congressional leader. On Sept. 14, Sen. Arlen Specter, D-Pa., will chair a hearing questioning scientists involved in the latest research. Specter, who has long championed funding for cancer research, is likely to introduce legislation that specifically asks for more funding for research in this area. "There is cause for concern," said Dr. Henry Lai, a professor of bioengineering at the University of Washington in Seattle, who has been studying the effects of cell phone radiation on humans since 1980. "But to prove that cell phones cause cancer or other health problems will take more work." More recently, researchers have grown particularly concerned about the adverse effects that cell-phone usage could have on children. Some Swedish research indicates that children are five times more likely to get brain cancer if they use mobile phones, but other research efforts have found results inconclusive…

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