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(2025) Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case–control study with an additional suspected comparison group

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Tahmasebi et al · 2025

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Women using mobile phones over 60 minutes daily showed 3.5 times higher breast cancer odds in Iranian study.

Plain English Summary

Summary written for general audiences

Iranian researchers studied 226 women to examine whether mobile phone use increases breast cancer risk. They found women who talked on phones for more than 60 minutes daily had 3.5 times higher odds of confirmed breast cancer compared to those using phones less than 10 minutes daily. The study also included a 'suspected' group of women advised to get mammograms, who showed even higher associations with phone use.

Why This Matters

This Iranian case-control study adds important evidence to the limited research on mobile phone radiation and breast cancer risk. The finding that women with over 60 minutes of daily phone conversations had 3.5 times higher odds of breast cancer is significant, especially given that many people exceed this threshold regularly. The even stronger association in the 'suspected' group (10.84 times higher odds) suggests the relationship may be dose-dependent. While the researchers appropriately caution about causation and call for larger studies, these results align with biological plausibility research showing radiofrequency radiation can affect breast tissue. The study's strength lies in examining actual usage patterns rather than just ownership, though self-reported exposure data remains a limitation. What's particularly concerning is that 60 minutes of daily phone conversations is not unusual for many users today, yet this study suggests it may represent a meaningful health threshold.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Tahmasebi et al (2025). (2025) Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case–control study with an additional suspected comparison group.
Show BibTeX
@article{2025_radiofrequency_radiation_from_mobile_phones_and_the_risk_of_breast_cancer_a_multicenter_casecontrol_study_with_an_additional_suspected_comparison_group_ce4659,
  author = {Tahmasebi et al},
  title = {(2025) Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case–control study with an additional suspected comparison group},
  year = {2025},
  doi = {10.4103/jrms.jrms_679_25},
  url = {https://bit.ly/4pwyn15},
}
DOI: 10.4103/jrms.jrms_679_25PubMed: 41623445

Quick Questions About This Study

This Iranian study found women talking on phones over 60 minutes daily had 3.49 times higher odds of confirmed breast cancer compared to those using phones less than 10 minutes daily, though researchers caution this doesn't prove causation.
The study included women advised to get mammograms due to breast complaints or physician recommendations. This 'suspected' group showed even higher mobile phone associations (10.84 times higher odds) than confirmed cancer cases.
Researchers studied 226 women across Iran: 97 controls with no breast cancer history, 52 suspected cases advised to get mammograms, and 77 confirmed invasive breast cancer cases from diagnostic and treatment centers.
Yes, the study found longer screen time over 4 hours daily was associated with increased breast cancer odds, along with call duration, suggesting multiple aspects of mobile phone use may contribute to risk.
The authors emphasize their findings don't prove causation due to self-reported exposure data and potential confounding factors. They call for larger prospective studies with objective exposure measurements to confirm these associations.