Galloni P, Parazzini M, Piscitelli M, Pinto R, et al. (2005):

In this study the researchers evaluated the function of the cochlea of the inner ear after exposure to radiofrequency radiation from mobile phones. They did so by measuring distortion product otoacoustic emissions (DPOAE).

Three groups of 16 rats were tested. One was exposed to 900 MHz frequency, one to 1800 MHz, and the other was sham-exposed. Each group was exposed for 2 hours/day, 5 days/week, for 4 weeks. The DPOAE were recorded before the exposure, at the end of each week of exposure, the day after the end of the entire experiment, and one week after the experiment end. The local SAR was 2 W/kg. The operators of the exposure and of the DPOAE recordings were blinded to the treatment received by the animal.

There were no statistically significant differences between the audiological signals recorded for the different groups.

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