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Cancer & Tumors

Cellular telephone use and risk of intratemporal facial nerve tumor.

No Effects Found

Warren HG, Prevatt AA, Daly KA, Antonelli PJ. · 2003

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Cell phone use showed no increased risk for facial nerve tumors, though the study's small size and limited exposure duration prevent definitive conclusions.

Plain English Summary

Summary written for general audiences

Researchers studied whether cell phone use increases the risk of developing tumors on the facial nerve (the nerve that controls facial muscles and runs close to where you hold your phone). They compared 18 patients with facial nerve tumors to control groups and found that cell phone users actually had slightly lower odds of developing these tumors. The study found no connection between cell phone use and facial nerve tumor risk.

Why This Matters

This 2003 study examined a logical concern: if cell phone radiation causes tumors, the facial nerve should be particularly vulnerable since it sits directly in the path of radiation from handheld devices. The researchers found no increased risk, and actually observed slightly protective odds ratios of 0.6 and 0.4 for any and regular cell phone use respectively. However, the study's own authors acknowledged a critical limitation that remains relevant today: the relatively short duration of widespread cell phone use at the time precluded definitive conclusions. With only 18 facial nerve tumor cases, the study also lacked statistical power to detect smaller effects. While this research provides some reassurance, it represents early evidence from an era when cell phone use was far less intensive than today's smartphone usage patterns.

Study Details

The purpose of the study was to determine whether cellular telephone use is associated with an increased risk of IFN tumors.

Patients with IFN tumors (n = 18) were case-matched with patients treated for acoustic neuroma (n = ...

The odds ratio of developing an IFN tumor was 0.6 (95% CI, 0.2-1.9) with any handheld cellular telep...

Regular cellular telephone use does not appear to be associated with a higher risk of IFN tumor development. The short duration of widespread cellular telephone use precludes definite exclusion as a risk for IFN tumor development.

Cite This Study
Warren HG, Prevatt AA, Daly KA, Antonelli PJ. (2003). Cellular telephone use and risk of intratemporal facial nerve tumor. Laryngoscope 113(4):663-667, 2003.
Show BibTeX
@article{hg_2003_cellular_telephone_use_and_3486,
  author = {Warren HG and Prevatt AA and Daly KA and Antonelli PJ.},
  title = {Cellular telephone use and risk of intratemporal facial nerve tumor.},
  year = {2003},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/12671425/},
}
PubMed: 12671425

Cited By (47 papers)

Quick Questions About This Study

A 2003 study found no connection between cell phone use and facial nerve tumors. Researchers compared 18 patients with these tumors to control groups and discovered cell phone users actually had slightly lower odds of developing facial nerve tumors than non-users.
Research shows no evidence that phone radiation affects facial muscles through tumor development. A study examining facial nerve tumors (which control facial muscles) found cell phone users had reduced risk compared to non-users, with no factors increasing tumor risk.
Current evidence suggests holding your phone to your ear doesn't damage facial nerves. A 2003 study specifically examined tumors on nerves near where phones are held and found no increased risk among regular cell phone users.
Studies indicate minimal facial tumor risks from cell phones. Research on intratemporal facial nerve tumors showed cell phone users had 40% lower odds of developing these tumors compared to non-users, suggesting no increased cancer risk in this area.
At least for facial nerve tumors specifically, cell phone use doesn't appear to cause head tumors. A targeted study found regular cell phone users had lower tumor rates than expected, though researchers noted more long-term studies are needed.