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Portada del sitio > Documentos > Estudios Científicos > GSM mobile phone radiation suppresses brain glucose metabolism

Journal of Cerebral Blood Flow & Metabolism , (14 September 2011) |

GSM mobile phone radiation suppresses brain glucose metabolism

Domingo 18 de septiembre de 2011 · 844 lecturas

Journal of Cerebral Blood Flow & Metabolism , (14 September 2011) | doi:10.1038/jcbfm.2011.128

GSM mobile phone radiation suppresses brain glucose metabolism

Myoung Soo Kwon, Victor Vorobyev, Sami Kännälä, Matti Laine, Juha O Rinne, Tommi Toivonen, Jarkko Johansson, Mika Teräs, Harri Lindholm, Tommi Alanko and Heikki Hämäläinen

Abstract
We investigated the effects of mobile phone radiation on cerebral glucose metabolism using high-resolution positron emission tomography (PET) with the 18F-deoxyglucose (FDG) tracer. A long half-life (109 minutes) of the 18F isotope allowed a long, natural exposure condition outside the PET scanner. Thirteen young right-handed male subjects were exposed to a pulse-modulated 902.4 MHz Global System for Mobile Communications signal for 33 minutes, while performing a simple visual vigilance task. Temperature was also measured in the head region (forehead, eyes, cheeks, ear canals) during exposure. 18F-deoxyglucose PET images acquired after the exposure showed that relative cerebral metabolic rate of glucose was significantly reduced in the temporoparietal junction and anterior temporal lobe of the right hemisphere ipsilateral to the exposure. Temperature rise was also observed on the exposed side of the head, but the magnitude was very small. The exposure did not affect task performance (reaction time, error rate). Our results show that short-term mobile phone exposure can locally suppress brain energy metabolism in humans.

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