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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Cancer & Tumors

Mobile phones and malignant melanoma of the eye.

No Effects Found

Johansen C, Boice JD Jr, McLaughlin JK, Christensen HC, Olsen JH. · 2002

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Despite exponential growth in mobile phone use since the 1980s, Denmark showed no corresponding increase in rare eye melanoma rates.

Plain English Summary

Summary written for general audiences

Danish researchers compared rates of eye melanoma (a rare cancer) with mobile phone usage across their entire country from the 1980s onward. Despite mobile phone subscribers increasing exponentially during this period, eye melanoma rates remained stable with no upward trend. This contradicted a German study that had suggested mobile phones might quadruple the risk of this eye cancer.

Why This Matters

This population-level study provides important context for understanding mobile phone cancer risks. The Danish approach - tracking an entire nation's cancer rates against technology adoption patterns - offers a powerful way to detect population-wide health effects. The reality is that if mobile phones were causing significant increases in eye melanoma, we would expect to see rising rates as usage exploded from the 1980s through early 2000s. The absence of such a pattern doesn't definitively rule out risk, but it does suggest that if there is a connection, the effect is likely much smaller than the four-fold increase reported in the German study this research was responding to. What this means for you is that the evidence doesn't support major concerns about mobile phones causing eye cancer, though this single study shouldn't be viewed as the final word on EMF and cancer risk more broadly.

Study Details

The aim of this study is to investigate Mobile phones and malignant melanoma of the eye.

We contrasted the incidence rates of this rare cancer with the number of mobile phone subscribers in...

Our study provides no support for an association between mobile phones and ocular melanoma.

Cite This Study
Johansen C, Boice JD Jr, McLaughlin JK, Christensen HC, Olsen JH. (2002). Mobile phones and malignant melanoma of the eye. Brit J Cancer 86:348-349, 2002.
Show BibTeX
@article{c_2002_mobile_phones_and_malignant_3118,
  author = {Johansen C and Boice JD Jr and McLaughlin JK and Christensen HC and Olsen JH.},
  title = {Mobile phones and malignant melanoma of the eye.},
  year = {2002},
  
  url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2375230/},
}

Quick Questions About This Study

No, a comprehensive Danish study found no connection between mobile phone use and eye melanoma. Despite mobile phone subscribers increasing exponentially from the 1980s onward, eye melanoma rates remained stable with no upward trend across the entire Danish population.
Yes, the Danish study directly contradicted earlier German research that suggested mobile phones might quadruple eye melanoma risk. The Danish researchers found no association between mobile phone use and ocular melanoma despite analyzing nationwide cancer registry data.
Population-wide studies like Denmark's provide strong evidence because they track entire countries over decades. This Danish study analyzed all eye melanoma cases nationwide while mobile phone usage increased dramatically, offering more reliable data than smaller studies.
Eye melanoma is extremely rare, making it easier to track population-wide changes. The Danish study specifically examined this rare eye cancer because the eye receives direct radiation exposure during phone calls, yet found no increased cancer rates.
The Danish study found no evidence linking mobile phones to eye melanoma, providing reassurance about this specific cancer type. However, this single study focused only on eye melanoma and doesn't address other potential health effects from phone radiation.