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Cell Phone Radiofrequency Radiation Exposure and Brain Glucose Metabolism

Cell Phone Radiofrequency Radiation Exposure and Brain Glucose Metabolism Editorials represent the opinions EDITORIAL of the authors and JAMA and not those of the American Medical Association. Cell Phone Radiofrequency Radiation Exposure and Brain Glucose Metabolism 2,3 than 2°C after less than 10 minutes of cell phone use. Henry Lai, PhD That increase in temperature is mainly attributable to the Lennart Hardell, MD, PhD heat generated by the operating phone and only to a lesser extent by the radiofrequency energy emitted. Diffu- HE MAJORITY OF THE RADIOFREQUENCY ENERGY sion of this heat energy into the brain is not expected to emitted by a cellular telephone is absorbed by the be high. In the study by Volkow et al, brain areas that hand and head of the user. The total energy showed an increase in glucose metabolism were quite dis- Tabsorbed is a function of the specific absorption tant from the contact area. Thus, it is not likely that the rate, duration of use, and the manner in which the phone effects observed were caused by heating. is used. In addition to concerns about potential harmful Also important is that during the on condition, “the cell effects of such exposure, such as the issue of risk of phone was http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

Cell Phone Radiofrequency Radiation Exposure and Brain Glucose Metabolism

JAMA , Volume 305 (8) – Feb 23, 2011

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Publisher
American Medical Association
Copyright
Copyright 2011 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.2011.201
pmid
21343585
Publisher site
See Article on Publisher Site

Abstract

Editorials represent the opinions EDITORIAL of the authors and JAMA and not those of the American Medical Association. Cell Phone Radiofrequency Radiation Exposure and Brain Glucose Metabolism 2,3 than 2°C after less than 10 minutes of cell phone use. Henry Lai, PhD That increase in temperature is mainly attributable to the Lennart Hardell, MD, PhD heat generated by the operating phone and only to a lesser extent by the radiofrequency energy emitted. Diffu- HE MAJORITY OF THE RADIOFREQUENCY ENERGY sion of this heat energy into the brain is not expected to emitted by a cellular telephone is absorbed by the be high. In the study by Volkow et al, brain areas that hand and head of the user. The total energy showed an increase in glucose metabolism were quite dis- Tabsorbed is a function of the specific absorption tant from the contact area. Thus, it is not likely that the rate, duration of use, and the manner in which the phone effects observed were caused by heating. is used. In addition to concerns about potential harmful Also important is that during the on condition, “the cell effects of such exposure, such as the issue of risk of phone was

Journal

JAMAAmerican Medical Association

Published: Feb 23, 2011

References