8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.

Maskey D et al, (August 2014) Alteration of glycine receptor immunoreactivity in the auditory brainstem of mice following three months of exposure to radiofrequency radiation at SAR 4.0 W/kg, Int J Mol Med. 2014 Aug;34(2):409-19. doi: 10.3892/ijmm.2014.1784

Bioeffects Seen

Authors not listed · 2014

Share:

Cell phone radiation at 835 MHz significantly damaged hearing-related brain receptors and caused measurable hearing loss in mice after three months.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to cell phone radiation (835 MHz) at 4.0 W/kg for three months and found significant damage to hearing-related brain regions. The radiation reduced critical brain receptors responsible for sound processing by up to 37% and caused measurable hearing problems. This suggests chronic cell phone use may harm the auditory system through direct brain damage.

Why This Matters

This study reveals concerning evidence that cell phone radiation directly damages the brain regions responsible for hearing and sound processing. The 835 MHz frequency used is nearly identical to many cell phone bands, and the 4.0 W/kg exposure level, while high, demonstrates clear biological harm that raises questions about cumulative effects from daily phone use. The fact that researchers observed both structural brain damage (up to 37% reduction in glycine receptors) and functional hearing impairment after just three months of exposure is particularly troubling. What makes this research especially relevant is that people routinely hold phones directly against their heads, placing the auditory brainstem in the direct path of radiation. The science demonstrates that RF radiation isn't just heating tissue - it's disrupting the delicate neurochemical balance required for normal brain function. This adds to growing evidence that our regulatory agencies may be overlooking serious long-term neurological risks from wireless technology.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 835 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 835 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2014). Maskey D et al, (August 2014) Alteration of glycine receptor immunoreactivity in the auditory brainstem of mice following three months of exposure to radiofrequency radiation at SAR 4.0 W/kg, Int J Mol Med. 2014 Aug;34(2):409-19. doi: 10.3892/ijmm.2014.1784.
Show BibTeX
@article{maskey_d_et_al_august_2014_alteration_of_glycine_receptor_immunoreactivity_in_the_auditory_brainstem_of_mice_following_three_months_of_exposure_to_radiofrequency_radiation_at_sar_40_wkg_int_j_mol_med_ce1804,
  author = {Unknown},
  title = {Maskey D et al, (August 2014) Alteration of glycine receptor immunoreactivity in the auditory brainstem of mice following three months of exposure to radiofrequency radiation at SAR 4.0 W/kg, Int J Mol Med. 2014 Aug;34(2):409-19. doi: 10.3892/ijmm.2014.1784},
  year = {2014},
  doi = {10.3892/ijmm.2014.1784},
  
}

Quick Questions About This Study

Yes, this study found that 835 MHz radiation at 4.0 W/kg for three months significantly damaged glycine receptors in auditory brain regions, reducing them by up to 37% in different areas and causing measurable hearing threshold elevation.
This research showed significant damage to hearing-related brain regions after just three months of daily RF radiation exposure. Both structural receptor loss and functional hearing impairment were observed within this timeframe.
Chronic RF exposure at cell phone frequencies caused substantial loss of glycine receptors throughout the auditory brainstem, with reductions ranging from 10% to 37% depending on the specific brain region examined.
Yes, exposure at 4.0 W/kg SAR caused significant structural damage to auditory brain receptors and measurable hearing dysfunction. This SAR level is above typical phone use but demonstrates clear biological harm thresholds.
Research shows RF radiation significantly impairs sound processing by damaging glycine receptors essential for auditory function. This resulted in both structural brain changes and measurable hearing threshold problems in exposed animals.