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Electrical wiring configurations and childhood cancer

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Authors not listed · 1979

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First study linking electrical wiring near homes to childhood cancer found dose-related correlation in Colorado children.

Plain English Summary

Summary written for general audiences

Researchers in Colorado studied homes where children developed cancer between 1976-1977 and found an excess of electrical wiring configurations that suggested high current flow near these homes compared to control homes. The correlation appeared strongest for children who had lived at the same address their entire lives and showed a dose-response relationship.

Why This Matters

This landmark 1979 study by Wertheimer and Leeper represents the first epidemiological investigation linking residential EMF exposure to childhood cancer. What makes this research particularly significant is that it identified a pattern based on observable wiring configurations rather than direct EMF measurements, suggesting that chronic exposure to elevated magnetic fields from power lines may pose health risks. The dose-response relationship they observed - where higher current configurations correlated with increased cancer risk - follows classic toxicological patterns. While the authors acknowledged uncertainty about the mechanism, they pointed to AC magnetic fields as a likely culprit. This study launched decades of research into EMF and childhood leukemia, with many subsequent investigations confirming elevated risks near high-current power lines. The reality is that this foundational research identified a public health concern that regulatory agencies have been slow to address, despite mounting evidence.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (1979). Electrical wiring configurations and childhood cancer.
Show BibTeX
@article{electrical_wiring_configurations_and_childhood_cancer_ce1629,
  author = {Unknown},
  title = {Electrical wiring configurations and childhood cancer},
  year = {1979},
  doi = {10.1093/OXFORDJOURNALS.AJE.A112681},
  
}
DOI: 10.1093/OXFORDJOURNALS.AJE.A112681PubMed: 453167

Quick Questions About This Study

The study found homes near high current-flow electrical wiring configurations showed increased childhood cancer rates. These included homes close to primary power lines, multiple circuit configurations, and other wiring setups that carry substantial electrical current through residential areas.
The correlation was strongest for children who spent their entire lives at the same address, suggesting chronic exposure effects. The researchers observed a dose-response relationship, meaning homes with higher current-flow configurations showed proportionally higher cancer rates than lower-exposure homes.
No, researchers ruled out neighborhood characteristics, street congestion, social class, and family structure as explanations. The cancer correlation remained significant even after accounting for these potential confounding factors, pointing to the electrical wiring configurations themselves as the likely cause.
The authors suggested two possible mechanisms: effects from electrical current in water pipes or impacts from AC magnetic fields generated by the high-current wiring. They acknowledged uncertainty about the exact biological pathway but identified magnetic field exposure as the most likely explanation.
This 1979 Wertheimer-Leeper study was the first to link residential EMF exposure to childhood cancer, launching decades of subsequent research. It established the foundation for investigating power line EMF as a potential carcinogen and influenced public health policy discussions about electromagnetic field safety standards.