Cellphones may cause cancer in rats; people likely safe

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By Maggie Fox

The federal government’s National Toxicology Program released its final report Thursday on whether cellphones cause cancer. The final verdict: cellphone radiation may sometimes cause tumors in rats at high, continuous doses, but not in people.

The report leaves open the possibility that the kind of radiation produced by cellphones might have the potential to cause cancer, but it does not answer the question of how that might happen. The findings are unlikely to satisfy many people.

“The National Toxicology Program concluded there is clear evidence that male rats exposed to high levels of radio frequency radiation like that used in 2G and 3G cell phones developed cancerous heart tumors,” the National Institutes of Health, parent agency of the NTP, said in a statement.

The final report doesn’t change much that the researchers said in a preliminary report released in February. It found there is evidence that bathing rats in certain types of cellphone radiation for their entire lives might raise the risk of certain cancers in some of the rats.

The findings do not apply to people, they said.

“The exposures used in our studies are not directly comparable to the exposures that humans typically experience when using a cellphone,” the National Toxicology Program’s John Bucher told reporters.

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