Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.
Effects of GSM Cellular Phones on Human Hearing: The European Project "GUARD".
Parazzini M, Brazzale AR, Paglialonga A, Tognola G, Collet L, Moulin A, Lutman ME, Bell SL, Thomas NA, Uloziene I, Uloza V, Thuroczy G, Tavartkiladze G, Tsalighopoulos M, Kyriafinis G, Ravazzani P. · 2007
View Original AbstractTen minutes of cell phone exposure showed no immediate hearing damage, but this doesn't address long-term effects from hours of daily use.
Plain English Summary
European researchers tested whether 10 minutes of GSM cell phone exposure affects hearing in healthy young adults. They used comprehensive hearing tests including threshold levels and inner ear function measurements, comparing real phone exposure to fake exposure in a double-blind study. The results showed no detectable changes to any aspect of hearing function from the electromagnetic field exposure.
Why This Matters
This well-designed multicenter study provides reassuring evidence that short-term cell phone use doesn't immediately damage hearing. The GUARD project's strength lies in its rigorous methodology: double-blind design, multiple hearing assessment tools, and testing across nine European centers. However, the study's 10-minute exposure window represents just a fraction of typical daily cell phone use, which now averages several hours per day for many people. While these findings suggest your hearing won't suffer from brief phone calls, they don't address potential effects from the cumulative exposure patterns that define modern mobile phone use. The reality is that most EMF health concerns focus on long-term, repeated exposures rather than single brief encounters.
Exposure Information
Specific exposure levels were not quantified in this study. Duration: 10 min
Study Details
The European multicenter project named GUARD involved nine centers and aimed to assess potential changes in auditory function as a consequence of exposure to low-intensity electromagnetic fields (EMFs) produced by GSM cellular phones.
Participants were healthy young adults without any evidence of hearing or ear disorders. Auditory fu...
Analysis of the data showed there were no effects of exposure to GSM mobile phone signals on the mai...
Show BibTeX
@article{m_2007_effects_of_gsm_cellular_3293,
author = {Parazzini M and Brazzale AR and Paglialonga A and Tognola G and Collet L and Moulin A and Lutman ME and Bell SL and Thomas NA and Uloziene I and Uloza V and Thuroczy G and Tavartkiladze G and Tsalighopoulos M and Kyriafinis G and Ravazzani P.},
title = {Effects of GSM Cellular Phones on Human Hearing: The European Project "GUARD". },
year = {2007},
url = {https://www.jstor.org/stable/4540773},
}