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Past studies suggest no, but a recent survey by the Environmental Working Group warns cell phone use increases the risk of brain cancer, especially among children.
"Their skulls are thinner, they absorb about twice the radiation of an adult," says Jane Houlihan from the Environmental Working Group.
So do hands-free headsets cut down on the risk?
"If they can do this, they would be better to have some device like this," said Senator Tom Harkin, D-IA.
"As I understand it, yes," said Dr. John Bucher, from National Institutes of Health.
Other countries have stricter cell standards and they were equated to seat belts and air bags mandated in cars.
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