The Identification of an Intensity 'Window' on the Bioeffects of Mobile Telephony Radiation

Int J Radiat Biol. 2010 May;86(5):358-66. doi: 10.3109/09553000903567979.

Abstract

Purpose: The increased bioactivity 'windows' of GSM 900 and 1800 MHz radiations, (Global System for Mobile telecommunications) revealed recently by us and published in this issue, manifesting themselves as a maximum decrease in the reproductive capacity of the insect Drosophila melanogaster, were examined to discover whether they depend on the intensity of radiation-fields.

Methods: In each experiment, one group of insects were exposed to the GSM 900 or 1800 radiation at 30 or 20 cm distances, respectively, from the antenna of a mobile phone, where the bioactivity 'window' appears for each type of radiation and another group was exposed at 8 or 5 cm, respectively, behind a metal grid, shielding both microwave radiation and the extremely low frequency (ELF) electric and magnetic fields for both types of radiation in a way that radiation and field intensities were roughly equal between the two groups. Then the effect on reproductive capacity was compared between groups for each type of radiation.

Results: The decrease in the reproductive capacity did not differ significantly between the two groups.

Conclusions: The bioactivity window seems to be due to the intensity of radiation-field (10 microW/cm(2), 0.6-0.7 V/m) at 30 or 20 cm from the GSM 900 or 1800 mobile phone antenna, respectively.

MeSH terms

  • Animals
  • Cell Phone*
  • Dose-Response Relationship, Radiation
  • Drosophila melanogaster / physiology
  • Drosophila melanogaster / radiation effects*
  • Electromagnetic Fields / adverse effects*
  • Environmental Exposure / adverse effects
  • Environmental Exposure / analysis
  • Female
  • Male
  • Radio Waves / adverse effects*
  • Reproduction / physiology
  • Reproduction / radiation effects
  • Time Factors