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Cancer & Tumors135 citations

Leukaemia and residence near electricity transmission equipment: a case-control study

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Authors not listed · 1989

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Living within 50 meters of overhead power lines doubled leukemia risk in this groundbreaking 1989 study.

Plain English Summary

Summary written for general audiences

This 1989 study examined whether living near power lines and electrical substations increases leukemia risk in southeast England. Researchers found a doubled risk of leukemia for people living within 50 meters of overhead power lines, though the small number of cases made results statistically uncertain. The study represents early evidence linking residential proximity to electrical infrastructure with blood cancer risk.

Why This Matters

This study broke important ground in the EMF-cancer debate by being one of the first to systematically examine leukemia risk near electrical infrastructure. The finding of doubled leukemia risk within 50 meters of power lines, while statistically uncertain due to small numbers, aligns with patterns that would emerge in later research. What makes this particularly relevant is that it examined real-world residential exposures rather than occupational settings. The reality is that millions of people worldwide live within these distances of electrical infrastructure, yet regulatory agencies continue to treat such proximity as acceptably safe. The researchers' use of distance as a proxy for magnetic field exposure was methodologically sound for its time, though direct field measurements would become standard in later studies. This work helped establish the foundation for what we now recognize as a consistent pattern of elevated cancer risk near high-voltage electrical equipment.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50-60 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50-60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (1989). Leukaemia and residence near electricity transmission equipment: a case-control study.
Show BibTeX
@article{leukaemia_and_residence_near_electricity_transmission_equipment_a_case_control_study_ce1621,
  author = {Unknown},
  title = {Leukaemia and residence near electricity transmission equipment: a case-control study},
  year = {1989},
  doi = {10.1038/bjc.1989.362},
  
}
DOI: 10.1038/bjc.1989.362PubMed: 2486298

Quick Questions About This Study

This study found people living within 50 meters of overhead power lines had twice the leukemia risk compared to those living farther away. However, the small number of cases near power lines made the results statistically uncertain.
The study found children under 18 living within 50 meters of electrical substations had 1.5 times higher leukemia risk than adults. Over 40% of study participants lived within 100 meters of a substation.
Only 0.6% of study participants lived within 100 meters of overhead power lines. This small percentage made it difficult to establish definitive statistical significance for the observed increased cancer risk.
Yes, children under 18 showed higher leukemia risk from living near substations compared to adults. The relative risk was 1.5 for children versus lower risks for adults at the same distances.
Researchers used distance, equipment type, and electrical loading as indirect measures of magnetic field exposure. They assessed the potential for power frequency magnetic field exposure from nearby electrical infrastructure rather than direct measurements.