Case-control study of the association between the use of cellular and cordless telephones and malignant brain tumors diagnosed during 2000-2003.
Hardell, L., Carlberg, M., Mild, K., 2005. · 2006
View Original AbstractLong-term phone users showed 3-4 times higher brain cancer risk after 10+ years of use across all phone types studied.
Plain English Summary
Swedish researchers studied 317 people with malignant brain tumors and compared their phone usage to 692 healthy controls. They found that people who used analog cell phones, digital cell phones, or cordless phones had roughly 2-3 times higher odds of developing brain tumors, with the risk increasing to 3-4 times higher for those who used phones for more than 10 years. The risk was strongest for high-grade astrocytoma, an aggressive type of brain cancer.
Why This Matters
This study represents some of the strongest evidence linking phone radiation to brain cancer, particularly because it examined long-term use patterns that mirror real-world exposure. The finding that risk increases with duration of use follows a classic dose-response relationship that strengthens the case for causation. What makes this research particularly significant is that it found elevated risks across all phone types studied - analog cellular, digital cellular, and cordless phones - suggesting the common factor is radiofrequency radiation exposure rather than specific technologies. The 10-year latency period finding aligns with what we know about cancer development timelines and suggests that studies examining shorter exposure periods may miss critical health effects. For the millions of people who have been using phones for over a decade, these results indicate a substantially elevated cancer risk that regulatory agencies have largely ignored.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
The aim of this study Is to investigate Case-control study of the association between the use of cellular and cordless telephones and malignant brain tumors diagnosed during 2000-2003.
We performed a case-control study on the use of cellular and cordless telephones and the risk for br...
We report the results for malignant brain tumors with data from 317 cases (88%) and 692 controls (84...
A somewhat increased risk was also found for low-grade astrocytoma and other types of malignant brain tumors, although not significantly so. In multivariate analysis, all three phone types studied showed an increased risk.
Show BibTeX
@article{hardell_2006_casecontrol_study_of_the_2169,
author = {Hardell and L. and Carlberg and M. and Mild and K. and 2005.},
title = {Case-control study of the association between the use of cellular and cordless telephones and malignant brain tumors diagnosed during 2000-2003.},
year = {2006},
url = {https://pubmed.ncbi.nlm.nih.gov/16023098/},
}