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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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Názov: Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case–control study with an additional suspected comparison group.
Autori: Tahmasebi, Sedigheh, Mortazavi, S M J., Pourghayoomi, Masumeh, Sheikhzadeh, Peyman, Welsh, James S, Seif, Fatemeh, Bayatiani, Mohamed Reza, Nematollahi, Samaneh, Zohdparast, Pooya, Khoskhati, Farnoosh, Ghahramani, Zahra, Allahveisi, Farzaneh, Fadavi, Pedram, Zadeh, Ali Jomeh, Nejad, Saeed Rajaee, Zaker, Fatemeh, Beigi, Manijeh, Bagherzadeh, Sakineh, Khosroabadi, Mohsen, Yarahmadi, Mehran
Zdroj: Journal of Research in Medical Sciences; Nov2025, Vol. 30 Issue 1, p1-10, 10p
Predmety: BREAST tumor risk factors, RISK assessment, RESEARCH funding, LOGISTIC regression analysis, INTERVIEWING, CELL phones, DESCRIPTIVE statistics, CHI-squared test, SCREEN time, ODDS ratio, MENARCHE, RESEARCH, CASE-control method, ANALYSIS of variance, MAMMOGRAMS, ENVIRONMENTAL exposure, POLLUTANTS, RADIO waves, WOMEN'S health, COMPARATIVE studies, DATA analysis software, CONFIDENCE intervals, DISEASE susceptibility, BREAST, EDUCATIONAL attainment, ADULTS
Geografický termín: IRAN
Abstrakt: Background: The rapid global increase in mobile phone use has raised concerns about the potential long-term health effects of radiofrequency electromagnetic fields. While most studies have focused on brain tumors, evidence regarding breast cancer remains limited. The objective of the study is to examine the association between mobile phone use and breast cancer risk among women in Iran. Materials and Methods: In this multicenter case–control study, 226 women were recruited from diagnostic, mammography, and radiotherapy centers across Iran and classified as controls (no history of breast cancer, n = 97), suspected cases (advised to undergo mammography due to breast-related complaints or physician recommendation, n = 52), and confirmed cases (histologically verified invasive breast cancer, n = 77). Structured questionnaires collected demographic, reproductive, lifestyle, and environmental data, including mobile phone call duration, screen time, and phone placement. Associations were analyzed using multinomial logistic regression, adjusting sequentially for demographic, reproductive, environmental, and lifestyle variables. Results: In fully adjusted models, women reporting more than 60 min of daily mobile phone conversations had higher odds of confirmed breast cancer (odds ratio [OR] = 3.49, 95% confidence interval [CI]: 1.02–11.97) and suspected status (OR = 10.84, 95% CI: 2.29–51.41) compared with those using phones <10 min daily. Longer screen time (>4 h/day), later age at menarche, lower education level, and exposure to environmental pollutants were also associated with increased odds. Conclusion: Prolonged mobile phone use was associated with higher odds of breast cancer, but this does not imply causation. Given self-reported exposures and potential residual confounding, findings should be interpreted cautiously. Larger prospective studies with objective exposure assessment are warranted. [ABSTRACT FROM AUTHOR]
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Databáza: Complementary Index
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Abstrakt:Background: The rapid global increase in mobile phone use has raised concerns about the potential long-term health effects of radiofrequency electromagnetic fields. While most studies have focused on brain tumors, evidence regarding breast cancer remains limited. The objective of the study is to examine the association between mobile phone use and breast cancer risk among women in Iran. Materials and Methods: In this multicenter case–control study, 226 women were recruited from diagnostic, mammography, and radiotherapy centers across Iran and classified as controls (no history of breast cancer, n = 97), suspected cases (advised to undergo mammography due to breast-related complaints or physician recommendation, n = 52), and confirmed cases (histologically verified invasive breast cancer, n = 77). Structured questionnaires collected demographic, reproductive, lifestyle, and environmental data, including mobile phone call duration, screen time, and phone placement. Associations were analyzed using multinomial logistic regression, adjusting sequentially for demographic, reproductive, environmental, and lifestyle variables. Results: In fully adjusted models, women reporting more than 60 min of daily mobile phone conversations had higher odds of confirmed breast cancer (odds ratio [OR] = 3.49, 95% confidence interval [CI]: 1.02–11.97) and suspected status (OR = 10.84, 95% CI: 2.29–51.41) compared with those using phones <10 min daily. Longer screen time (>4 h/day), later age at menarche, lower education level, and exposure to environmental pollutants were also associated with increased odds. Conclusion: Prolonged mobile phone use was associated with higher odds of breast cancer, but this does not imply causation. Given self-reported exposures and potential residual confounding, findings should be interpreted cautiously. Larger prospective studies with objective exposure assessment are warranted. [ABSTRACT FROM AUTHOR]
ISSN:17351995
DOI:10.4103/jrms.jrms_679_25