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Symptoms & Sensitivity

Mobile telephone use effects on peripheral audiovestibular function: A case-control study.

No Effects Found

Bamiou DE, Ceranic B, Cox R, Watt H, Chadwick P, Luxon LM. · 2008

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Thirty minutes of mobile phone radiation showed no immediate effects on inner ear hearing or balance function in this controlled study.

Plain English Summary

Summary written for general audiences

Researchers tested whether 30-minute mobile phone exposures affect inner ear function in 9 people who reported symptoms from phone use and 21 healthy controls. Using precise hearing and balance tests before and after exposure to 882 MHz radiation at typical phone power levels, they found no measurable changes in either group. This suggests that short-term mobile phone use doesn't immediately impair the ear's delicate hearing or balance mechanisms.

Why This Matters

This study addresses a specific concern many people have about mobile phones affecting their ears and balance. The researchers used rigorous double-blind methods and sophisticated tests that can detect subtle changes in inner ear function. However, the 30-minute exposure duration represents relatively brief use compared to many people's daily phone habits, and the study only measured immediate effects. The SAR level of 1.3 W/kg is within current safety limits but represents substantial energy absorption in ear tissues. While this research found no acute effects on hearing or balance function, it doesn't address longer-term exposures or other potential mechanisms of harm that might develop over time with repeated use.

Exposure Details

SAR
1.3 W/kg
Source/Device
882 MHz

Exposure Context

This study used 1.3 W/kg for SAR (device absorption):

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 1.3 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern range (Building Biology)FCC limit is 1 times higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 882 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 882 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

This double blind study tested nine case-subjects, who complained of various symptoms after prolonged mobile telephone use and 21 control subjects.

Each subject underwent a series of trials, in which a dummy mobile telephone exposure system was hel...

There were no significant TEOAE changes from baseline to post-exposure recording for any of the expo...

In conclusion, 30 min exposure to mobile phone RF did not show any immediate effects on vestibulocochlear function as measured by TEOAE and the VOR

Cite This Study
Bamiou DE, Ceranic B, Cox R, Watt H, Chadwick P, Luxon LM. (2008). Mobile telephone use effects on peripheral audiovestibular function: A case-control study. Bioelectromagnetics.29(2):108-117,2008.
Show BibTeX
@article{de_2008_mobile_telephone_use_effects_2951,
  author = {Bamiou DE and Ceranic B and Cox R and Watt H and Chadwick P and Luxon LM.},
  title = {Mobile telephone use effects on peripheral audiovestibular function: A case-control study.},
  year = {2008},
  doi = {10.1002/bem.20369},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.20369},
}
DOI: 10.1002/bem.20369

Cited By (32 papers)

Quick Questions About This Study

A 2008 study found that 30 minutes of 882 MHz mobile phone exposure caused no measurable changes to inner ear balance function. Researchers tested both people with phone sensitivity symptoms and healthy controls using precise vestibular tests, finding no immediate effects on the ear's delicate balance mechanisms.
Research testing 882 MHz radiation at typical phone power levels found no immediate hearing damage after 30-minute exposures. The study measured otoacoustic emissions (sounds the ear produces) in both sensitive individuals and controls, detecting no significant changes in hearing function before versus after exposure.
A controlled study comparing 9 people with reported phone sensitivity to 21 healthy controls found no differences in ear function responses to 882 MHz radiation. Both groups showed identical results on hearing and balance tests after 30 minutes of mobile phone frequency exposure.
Research shows 882 MHz mobile phone radiation does not affect vestibular (balance) function within 30 minutes of exposure. Scientists used video-oculography to measure eye movements that indicate inner ear balance problems, finding no immediate effects in either sensitive or non-sensitive individuals.
The 2008 study used transient evoked otoacoustic emissions (TEOAE) and vestibulo-ocular reflex tests to detect potential 882 MHz phone damage. These precise measurements of inner ear hearing and balance function revealed no immediate changes after 30 minutes of typical mobile phone radiation exposure.