CANCER INSTITUTE WARNS OF CELLPHONE RISKS

The head of a prominent cancer research institute has issued an unprecedented warning to his faculty and staff: Limit cellphone use because of the possible risk of cancer.

The warning from Dr Ronald B Herberman, director of the University of Pittsburgh Cancer Institute, is contrary to numerous studies that don't find a link between cancer and cellphone use, and a public lack of worry by the U.S. Food and Drug Administration.

Herberman is basing his alarm on early unpublished data. He says it takes too long to get answers from science and he believes people should take action now – especially when it comes to children.

"Really at the heart of my concern is that we shouldn't wait for a definitive study to come out, but err on the side of being safe rather than sorry later," Herberman said.

No other major academic cancer research institutions have sounded such an alarm about cellphone use. But Herberman's advice is sure to raise concern among many cellphone users and especially parents.

In the memo he sent to about 3,000 faculty and staff Wednesday, he says children should use cellphones only for emergencies because their brains are still developing.

Adults should keep the phone away from the head and use the speakerphone or a wireless headset, he says. He even warns against using cellphones in public places like a bus because it exposes others to the phone's electromagnetic fields.

The issue that concerns some scientists – though nowhere near a consensus – Is electromagnetic radiation, especially its possible effects on children. It is not a major topic in conferences of brain specialists.

A driving force behind the memo was Devra Lee Davis, the director of the university's center for environmental oncology.

"The question is do you want to play Russian roulette with your brain," she said in an interview from her cellphone while using the hands-free speaker phone as recommended. "I don't know that cellphones are dangerous. But I don't know that they are safe."

Herberman and Davis point to a massive ongoing research project known as Interphone, involving scientists in 13 nations, mostly in Europe. Results already published in peer-reviewed journals from this project aren't so alarming, but Herberman is citing work not yet published.

Cellphones emit radiofrequency energy, a type of radiation that is a form of electromagnetic radiation, according to the National Cancer Institute. Though studies are being done to see if there is a link between it and tumors of the brain and central nervous system, there is no definitive link between the two, the institute says on its website.

"By all means, if a person feels compelled that they should take precautions in reducing the amount of electromagnetic radio waves through their bodies, by all means they should do so," said Dan Catena, a spokesman for the American Cancer Society. "But at the same time, we have to remember there's no conclusive evidence that links cellphones to cancer, whether it's brain tumors or other forms of cancer."

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