In the letter, Davis and Balzano, who each have more than 35 years of research experience in the biological effects of wireless telecommunications technology, offered a critique of a paper …. that had been published in a previous issue of JAMA.
In the letter, Davis and Balzano, who each have more than 35 years of research experience in the biological effects of wireless telecommunications technology, offered a critique of a paper …. that had been published in a previous issue of JAMA. Davis and Balzano pointed out that the highest temperature elevations that occur in the brain during cell phone use as a result of radiofrequency fields from the cell phone are on the order of 0.1 degrees C to 0.2 degrees C, and that these temperature elevations are smaller than those resulting from physical activity. They also argued that the study did not evaluate the exposure of the brain to the fields from the cell phone correctly, so a causal relation between the radio frequency signal and the effect detected … has no valid experimental support.
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