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(2015) Mobile phone radiation causes brain tumors and should be classified as a probable human carcinogen (2A) (Review)

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Morgan et al · 2015

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Leading researchers argue mobile phone radiation should be reclassified as a probable human carcinogen based on brain tumor evidence.

Plain English Summary

Summary written for general audiences

This 2015 review by Morgan and colleagues analyzed existing research on mobile phone radiation and brain tumors, concluding that radiofrequency fields should be classified as a Group 2A 'probable' human carcinogen. The authors highlighted the French CERENAT study showing increased glioma risk from long-term mobile phone use and argued that current evidence meets the criteria for upgrading the cancer classification.

Why This Matters

This review represents a significant challenge to the status quo on mobile phone safety. The authors make a compelling case that the evidence has evolved beyond the WHO's 2011 'possible carcinogen' classification, pointing to consistent findings of increased brain tumor risk after a decade or more of use. What makes this particularly relevant is that the authors aren't fringe researchers - they include epidemiologists from major institutions who understand cancer classification criteria.

The reality is that your daily mobile phone use exposes your brain to the same radiofrequency radiation these researchers want reclassified as a probable carcinogen. The study also notes that cordless phones weren't even included in risk calculations, suggesting actual risks may be higher than reported. This isn't about abandoning technology, but about acknowledging that our wireless devices emit radiation with increasingly clear biological effects.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Morgan et al (2015). (2015) Mobile phone radiation causes brain tumors and should be classified as a probable human carcinogen (2A) (Review).
Show BibTeX
@article{2015_mobile_phone_radiation_causes_brain_tumors_and_should_be_classified_as_a_probable_human_carcinogen_2a_review_ce4647,
  author = {Morgan et al},
  title = {(2015) Mobile phone radiation causes brain tumors and should be classified as a probable human carcinogen (2A) (Review)},
  year = {2015},
  doi = {10.3892/ijo.2015.2908},
  url = {http://bit.ly/2XwgVNa},
}
DOI: 10.3892/ijo.2015.2908PubMed: 25738972

Quick Questions About This Study

According to this 2015 review, yes. The authors argue that existing evidence on brain tumors from long-term mobile phone use meets the criteria for Group 2A 'probable human carcinogen' classification by international cancer research agencies.
CERENAT is a French national study that found increased glioma risk from mobile phone use. The review authors highlight it as important evidence supporting their argument for reclassifying radiofrequency radiation as a probable carcinogen.
The review suggests yes, noting that cordless phone exposure wasn't evaluated in key studies. The authors state that if cordless phone use had been included, mobile phone brain tumor risks would likely be higher than published.
Group 2A is a cancer classification used by international agencies meaning 'probable human carcinogen' - indicating strong evidence that a substance likely causes cancer in humans, though not yet definitively proven like Group 1 carcinogens.
The review emphasizes studies showing increased brain tumor risk after 'a decade or longer' of mobile phone use, suggesting that long-term exposure over 10+ years is when elevated cancer risks become apparent in research.