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Handheld cellular telephones and risk of acoustic neuroma

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Muscat JE, Malkin MG, Shore RE,. Thompson S, Neugut AL, Stellman SD, Bruce J. · 2002

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Cell phone users showed no increased acoustic neuroma risk, but tumors unexpectedly occurred more on the opposite side from phone use.

Plain English Summary

Summary written for general audiences

Researchers studied whether cell phone use increases the risk of acoustic neuroma, a type of brain tumor that develops near the ear. They compared 90 patients with these tumors to 86 healthy controls and found no increased risk overall. However, among cell phone users who did develop tumors, the tumors appeared more often on the opposite side of the head from where they held their phone, which was unexpected.

Why This Matters

This early 2002 study represents one of the first attempts to examine cell phone radiation's potential link to acoustic neuromas, tumors that develop on the nerve connecting the ear to the brain. While the overall results showed no increased risk, the finding that tumors occurred more frequently on the side opposite to phone use raises important questions about the biological mechanisms at play. The science demonstrates that if RF radiation were directly causing these tumors, you'd expect them to develop on the same side where the phone is held against the head. This counterintuitive finding suggests the relationship between cell phone radiation and brain tumors may be more complex than simple thermal heating effects. What this means for you is that while this study didn't find an overall increased risk, the authors themselves noted that longer observation periods might be needed to detect effects, as brain tumors can take decades to develop.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

To study Handheld cellular telephones and risk of acoustic neuroma

The hypothesis that intracranial energy deposition from handheld cellular telephones causes acoustic...

The relative risk was 0.9 (p = 0.07) and did not vary significantly by the frequency, duration, and ...

Cite This Study
Muscat JE, Malkin MG, Shore RE,. Thompson S, Neugut AL, Stellman SD, Bruce J. (2002). Handheld cellular telephones and risk of acoustic neuroma Neurology 58:1304-1306, 2002.
Show BibTeX
@article{je_2002_handheld_cellular_telephones_and_2453,
  author = {Muscat JE and  Malkin MG and  Shore RE and. Thompson S and Neugut AL and Stellman SD and  Bruce J.  },
  title = {Handheld cellular telephones and risk of acoustic neuroma},
  year = {2002},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/11971109/},
}

Quick Questions About This Study

Researchers studied whether cell phone use increases the risk of acoustic neuroma, a type of brain tumor that develops near the ear. They compared 90 patients with these tumors to 86 healthy controls and found no increased risk overall. However, among cell phone users who did develop tumors, the tumors appeared more often on the opposite side of the head from where they held their phone, which was unexpected.