6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
Cancer & Tumors322 citations

Review of the epidemiologic literature on EMF and Health

Review

Authors not listed · 2001

Share:

The review found the strongest evidence for an association between childhood leukemia and postnatal EMF exposures above 0.4 microtesla, with a relative risk of 2.0 in a large pooled analysis.

Plain English Summary

Summary written for general audiences

They concluded that study quality has improved and recent studies on childhood leukemia and occupational cancer approach the limits of feasible size and rigor. The review found no chronic disease with an established etiological relation to EMF. Childhood leukemia showed the strongest association with postnatal exposures above 0.4 microtesla (relative risk 2.0, 95% CI 1.27-3.13), and amyotrophic lateral sclerosis showed an association with occupational exposure that could be due to confounding.

Why This Matters

The authors noted that the childhood leukemia association is unlikely to be due to chance but may reflect bias, and is hard to interpret without a known mechanism or experimental support. Only 0.8% of children in the pooled analysis were exposed above 0.4 microtesla, and the authors called for further studies to test specific hypotheses about selection bias or exposure. The review also stated that breast cancer, cardiovascular disease, and suicide and depression remain unresolved in relation to EMF.

Cite This Study
Unknown (2001). Review of the epidemiologic literature on EMF and Health.
Show BibTeX
@article{review_of_the_epidemiologic_literature_on_emf_and_health_ce1517,
  author = {Unknown},
  title = {Review of the epidemiologic literature on EMF and Health},
  year = {2001},
  doi = {10.1289/EHP.109-1240626},
  
}

Quick Questions About This Study

The quality of epidemiologic studies has improved over time, and recent studies on childhood leukemia and occupational cancer approach the limits of feasible size and methodological rigor.
Exposure assessment is difficult because EMF is imperceptible, ubiquitous, has multiple sources, varies over time and distance, the relevant exposure period precedes measurement and is of unknown duration, and no appropriate exposure metric is known.
The review concluded that no chronic disease has an established etiological relation to EMF, given the absence of experimental evidence and methodological uncertainties.
Childhood leukemia in relation to postnatal exposures above 0.4 microtesla has the most evidence of an association, with a relative risk of 2.0 (95% CI 1.27-3.13) in a large pooled analysis.
Evidence shows an association of amyotrophic lateral sclerosis with occupational EMF exposure, although confounding is a potential explanation.