Analysis of ear side of mobile phone use in the general population of Japan.
Sato Y, Kojimahara N, Taki M, Yamaguchi N · 2017
View Original AbstractUnderstanding which ear people use for phone calls is crucial for accurately studying mobile phone radiation's health effects.
Plain English Summary
Japanese researchers surveyed over 4,000 children and adults to understand which ear people prefer when using mobile phones. They found that children typically use their dominant hand's ear, while adults show more complex patterns - with older adults and heavy work users more likely to use their left ear. This matters because knowing which ear gets more radiation exposure helps researchers design better studies on mobile phone health effects.
Why This Matters
This study highlights a critical gap in EMF research that most people never consider: which ear receives the radiation matters enormously for health studies. The science demonstrates that mobile phone radiation exposure is highly localized - the ear closest to the device receives dramatically more EMF energy than the opposite side of the head. What this means for you is that epidemiological studies comparing brain cancer rates to mobile phone use need to account for which ear people actually use, not just assume random distribution. The reality is that without this level of detail, we may be missing important exposure-response relationships in health studies. This Japanese research provides the methodological foundation that future EMF health studies desperately need to improve their accuracy and reliability.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
This study aimed to clarify the distribution of the ear side of mobile phone use in the general population of Japan and clarify what factors are associated with the ear side of mobile phone use.
Children at elementary and junior high schools (n = 2,518) and adults aged ≥20 years (n = 1,529) com...
Statistically significant differences were observed only in talk time per call (odds ratio (OR) = 2....
We believe that future epidemiological studies on mobile phone use can be improved by considering the trends in mobile phone use identified in this study.
Show BibTeX
@article{y_2017_analysis_of_ear_side_2568,
author = {Sato Y and Kojimahara N and Taki M and Yamaguchi N},
title = {Analysis of ear side of mobile phone use in the general population of Japan.},
year = {2017},
url = {https://pubmed.ncbi.nlm.nih.gov/29171064/},
}