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Brain & Nervous System

Electromagnetic Fields from mobile phones do not affect the inner auditory system of Sprague-Dawley Rats.

No Effects Found

Galloni P, Parazzini M, Piscitelli M, Pinto R, Lovisolo GA, Tognola G, Marino C, Ravazzani P. · 2005

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Cell phone radiation at regulatory limits showed no measurable damage to rats' inner ear function in this 4-week study.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to cell phone radiation at 900 and 1800 MHz frequencies for 2 hours daily over 4 weeks to test if it damaged their inner ear function. Using sensitive hearing tests that measure the health of cochlear hair cells (the tiny structures that convert sound waves into nerve signals), they found no differences between exposed and unexposed animals. This suggests that typical cell phone radiation levels may not directly harm the delicate hearing mechanisms in the inner ear.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.80 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 900 and 1800 MHz Duration: 2 h/day, 5 days/week for 4 weeks

Study Details

The aim of this study was to evaluate the cochlear functionality of Sprague-Dawley rats exposed to electromagnetic fields at the typical frequencies of GSM mobile phones (900 and 1800 MHz) by distortion product otoacoustic emissions, which are a well-known indicator of the status of the cochlea's outer hair cells

A population of 48 rats was divided into exposed and sham-exposed groups. Three sets of four loop an...

The analysis of the data shows no statistically significant differences between the audiological sig...

Cite This Study
Galloni P, Parazzini M, Piscitelli M, Pinto R, Lovisolo GA, Tognola G, Marino C, Ravazzani P. (2005). Electromagnetic Fields from mobile phones do not affect the inner auditory system of Sprague-Dawley Rats. Radiat Res. 164(6):798-804, 2005.
Show BibTeX
@article{p_2005_electromagnetic_fields_from_mobile_3034,
  author = {Galloni P and Parazzini M and Piscitelli M and Pinto R and Lovisolo GA and Tognola G and Marino C and Ravazzani P.},
  title = {Electromagnetic Fields from mobile phones do not affect the inner auditory system of Sprague-Dawley Rats.},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/16296886/},
}
PubMed: 16296886

Cited By (28 papers)

Quick Questions About This Study

A 2005 study found no hearing damage from cell phone radiation. Researchers exposed rats to 900 and 1800 MHz frequencies for 2 hours daily over 4 weeks, then tested their inner ear function using sensitive cochlear tests. No differences were found between exposed and unexposed animals.
Research shows 900 MHz radiation doesn't damage cochlear hair cells. Scientists exposed rats to cell phone frequencies for 4 weeks and measured the health of these tiny hearing structures that convert sound to nerve signals. The study found no statistically significant differences in auditory function.
A controlled study suggests 1800 MHz radiation doesn't harm hearing mechanisms. Rats received 2-hour daily exposures to this frequency for one month, followed by comprehensive hearing tests. Researchers detected no damage to the delicate inner ear structures responsible for processing sound.
Research testing 4 weeks of daily 2-hour cell phone radiation exposure found no inner ear damage in laboratory animals. The study used both 900 and 1800 MHz frequencies at typical phone radiation levels, suggesting these exposure durations don't harm cochlear function.
Sensitive cochlear hearing tests revealed no radiation damage from cell phones. The 2005 study used audiological measurements to assess inner ear health after month-long exposures to 900 and 1800 MHz radiation, finding no statistically significant differences between exposed and control groups.