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Cancer & Tumors106 citations

Cellular telephones and risk for brain tumors: A population-based, incident case-control study.

No Effects Found

Christensen, HC; Schüz, J; Kosteljanetz, M; Poulsen, HS; Boice, JD. Jr; McLaughlin, JK; Johansen, C. · 2005

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This Danish study found no increased brain cancer risk from early 2000s cell phone use, but modern smartphone exposures remain inadequately studied.

Plain English Summary

Summary written for general audiences

Danish researchers studied 427 brain tumor patients and 822 healthy controls to see if cell phone use increases brain cancer risk. They found no increased risk for brain tumors from cell phone use, and surprisingly found a lower risk of high-grade glioma among phone users. This large population-based study suggests cell phones don't cause the brain cancers examined.

Study Details

To evaluate a possible association of glioma or meningioma with use of cellular telephones, using a nationwide population-based case-control study of incident cases of meningioma and glioma.

The authors ascertained all incident cases of glioma and meningioma diagnosed in Denmark between Sep...

There were no material socioeconomic differences between cases and controls or participants and non-...

The results do not support an association between use of cellular telephones and risk for glioma or meningioma.

Cite This Study
Christensen, HC; Schüz, J; Kosteljanetz, M; Poulsen, HS; Boice, JD. Jr; McLaughlin, JK; Johansen, C. (2005). Cellular telephones and risk for brain tumors: A population-based, incident case-control study. Neurology 64: 1189-1195, 2005.
Show BibTeX
@article{christensen_2005_cellular_telephones_and_risk_2980,
  author = {Christensen and HC; Schüz and J; Kosteljanetz and M; Poulsen and HS; Boice and JD. Jr; McLaughlin and JK; Johansen and C.},
  title = {Cellular telephones and risk for brain tumors: A population-based, incident case-control study.},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/15824345/},
}
PubMed: 15824345

Cited By (106 papers)

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Quick Questions About This Study

No, the Danish study of 427 brain tumor patients found no increased cancer risk from cell phone use. Researchers actually discovered a lower risk of high-grade glioma among phone users, with no association found for meningioma or low-grade glioma.
The 2005 study found cell phone users had a 42% lower risk of high-grade glioma compared to non-users. This unexpected protective effect contradicts concerns about phone radiation causing aggressive brain tumors in this Danish population study.
The Danish researchers studied 427 brain tumor patients and compared them with 822 healthy controls. This large population-based case-control study design strengthens the reliability of their findings about cell phone safety.
No, the Danish study found no association between cell phone use and meningioma risk. The odds ratio was 1.00, meaning phone users had exactly the same meningioma risk as people who didn't use cell phones.
Danish researchers examined three main brain tumor types: high-grade glioma, low-grade glioma, and meningioma. They found reduced risk for high-grade glioma and no increased risk for the other tumor types among cell phone users.