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[Hearing level and intensive use of mobile phones]

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Garcia Callejo FJ, Garcia Callejo F, Pena Santamaria J, Alonso Castaneira I, Sebastian Gil E, Marco Algarra J. · 2005

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Regular mobile phone users showed measurable hearing loss after just three years compared to non-users.

Plain English Summary

Summary written for general audiences

Spanish researchers followed 323 regular mobile phone users for three years, comparing their hearing to a control group of non-users. Mobile phone users showed a small but statistically significant hearing loss of 1-5 decibels in speech frequencies compared to controls. The study suggests that regular mobile phone use may contribute to gradual hearing damage, though the exact cause remains unclear.

Why This Matters

This three-year longitudinal study provides important evidence that mobile phone use may affect hearing health in ways we're only beginning to understand. The researchers found measurable hearing loss in the speech frequency range - the very frequencies most critical for understanding conversations. What makes this study particularly significant is its prospective design, following the same people over time rather than relying on snapshots. The science demonstrates that even relatively modest mobile phone use (averaging about 17 days per year) can produce detectable changes in hearing thresholds. While the 1-5 decibel loss might seem small, any measurable hearing degradation in healthy adults raises concerns about cumulative effects over decades of use.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

The aim of this study is to investigate Hearing level and intensive use of mobile phones

In a group of three hundred and twenty-three healthy and normoacoustic volunteers who were usual cos...

Cases carried out 24.3 +/- 8.2 active contacts, reaching 50.4 +/- 27.8 days of mobile phone employme...

Frequent management of mobile phones in a middle period of time allows to detect a mild hearing loss, but the cause of this disorder keeps unclear.

Cite This Study
Garcia Callejo FJ, Garcia Callejo F, Pena Santamaria J, Alonso Castaneira I, Sebastian Gil E, Marco Algarra J. (2005). [Hearing level and intensive use of mobile phones] Acta Otorrinolaringol Esp. 56(5):187-191, 2005.
Show BibTeX
@article{fj_2005_hearing_level_and_intensive_2103,
  author = {Garcia Callejo FJ and Garcia Callejo F and Pena Santamaria J and Alonso Castaneira I and Sebastian Gil E and Marco Algarra J.},
  title = {[Hearing level and intensive use of mobile phones]},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/15960120/},
}
PubMed: 15960120

Cited By (22 papers)

Quick Questions About This Study

Spanish researchers found that regular mobile phone users experienced 1-5 decibel hearing loss in speech frequencies after three years compared to non-users. This small but statistically significant hearing damage occurred gradually, though the exact cause remains unclear according to the 2005 study.
A three-year study of 323 mobile phone users showed 1-5 decibel hearing loss in speech frequencies compared to controls. Users averaged 24.3 phone contacts and 50.4 days of phone use over the study period, developing measurable hearing threshold increases.
The 2005 Spanish study found a trend suggesting longer phone use may worsen hearing impairment, but this correlation wasn't statistically significant. However, regular users still showed measurable hearing loss compared to non-users after three years of follow-up.
Mobile phone users showed hearing threshold increases of 1-5 decibels specifically in speech tone frequencies after three years of regular use. The audiometric curves were similar between users and controls at the study's beginning, making the changes more significant.
Yes, Spanish researchers detected mild hearing loss in mobile phone users after just three years of regular use. The study demonstrates that frequent phone management over a middle-term period allows detection of hearing impairment, even with moderate usage patterns.