Dr. Sanjay Gupta
Chief Medical Correspondent

Tuesday night, I was part of a fascinating discussion on “Larry King Live” about cell phones and their health risks. (watch) To be clear, most of the established scientific community thinks there is no reason for concern. There were, however, some strong voices on each side of the issue, including neurosurgeon Vini Khurana from Australia. He is convinced, after looking at hundreds of studies, that not only do cell phones cause health problems such as brain tumors, but also they will eventually be considered a bigger health risk than asbestos and even cigarettes.

Wow.

Now, I expected a staunch defense from the American Cancer Society, but instead I heard a more tepid response from Dr. Michael Thun. His bottom-line conclusion is that the studies that currently exist don’t show any reason for concern – but – the studies aren’t definitive in showing that they are safe either. Not exactly reassuring.

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