Do GSM 900MHz signals affect cerebral blood circulation? A near-infrared spectrophotometry study.

@article{Wolf2006DoG9,
  title={Do GSM 900MHz signals affect cerebral blood circulation? A near-infrared spectrophotometry study.},
  author={Martin Wolf and Daniel Haensse and Geert Morren and J{\"u}rg Fr{\"o}hlich},
  journal={Optics express},
  year={2006},
  volume={14 13},
  pages={6128-41}
}
Effects of GSM 900MHz signals (EMF) typical for a handheld mobile phone on the cerebral blood circulation were investigated using near-infrared spectrophotometry (NIRS) in a three armed (12W/kg, 1.2W/kg, sham), double blind, randomized crossover trial in 16 healthy volunteers. During exposure we observed borderline significant short term responses of oxyhemoglobin and deoxyhemoglobin concentration, which correspond to a decrease of cerebral blood flow and volume and were smaller than regular… CONTINUE READING

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