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Submission + - Cell Phones May Affect Brain Metabolism (sciencenews.org)

commodore6502 writes: Science News Magazine and the American Medical Association reports on the results of a recent study. 47 participants had pairs of Samsung cell phones strapped to their heads, one on each side. The phone on the left ear was turned off, while the one on the right received a 50-minute recorded message. This phone was kept muted so that the subject didn’t know which phone was on, and also to prevent stimulation of the brain’s hearing center.

A few minutes after the call, a PET scan revealed that brain regions next to the working phone had higher levels of glucose metabolism. “The human brain is sensitive to the electromagnetic radiation that is emitted from cell phones,” says study coauthor Nora Volkow of the National Institute on Drug Abuse in Bethesda, MD. The increase in brain metabolism observed in the experiment may be an underestimate, because cell phones emit more radiation when a person is talking.

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