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Brain & Nervous System107 citations

Do people with idiopathic environmental intolerance attributed to electromagnetic fields display physiological effects when exposed to electromagnetic fields? A systematic review of provocation studies

No Effects Found

Authors not listed · 2011

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People reporting electromagnetic hypersensitivity show no consistent, measurable physiological responses to EMF exposure in controlled studies.

Plain English Summary

Summary written for general audiences

Researchers analyzed 29 controlled studies testing whether people with electromagnetic hypersensitivity (IEI-EMF) show measurable physiological changes when exposed to EMF. While a few studies found isolated effects like altered heart rate or sleep patterns, most results couldn't be replicated and occurred equally in both sensitive and non-sensitive participants. The review found no reliable evidence that electromagnetically sensitive people experience unusual physical reactions to EMF exposure.

Cite This Study
Unknown (2011). Do people with idiopathic environmental intolerance attributed to electromagnetic fields display physiological effects when exposed to electromagnetic fields? A systematic review of provocation studies.
Show BibTeX
@article{do_people_with_idiopathic_environmental_intolerance_attributed_to_electromagnetic_fields_display_physiological_effects_when_exposed_to_electromagnetic_fields_a_systematic_review_of_provocation_studies_ce1641,
  author = {Unknown},
  title = {Do people with idiopathic environmental intolerance attributed to electromagnetic fields display physiological effects when exposed to electromagnetic fields? A systematic review of provocation studies},
  year = {2011},
  doi = {10.1002/bem.20690},
  
}
DOI: 10.1002/bem.20690PubMed: 21769898

Quick Questions About This Study

No. This systematic review of 29 controlled studies found no reliable evidence that people with electromagnetic hypersensitivity experience unusual physiological reactions during EMF exposure compared to non-sensitive individuals.
Researchers measured heart rate, blood pressure, pupillary reflexes, visual attention, spatial memory, sleep movement patterns, and brain wave activity (EEG) during sleep in people claiming electromagnetic sensitivity.
Five studies found isolated effects like reduced heart rate, altered pupil response, or changed sleep EEG patterns. However, these results weren't replicated by other studies and often occurred equally in both sensitive and control groups.
This systematic review analyzed 29 single or double-blind experiments that exposed people claiming electromagnetic hypersensitivity to different EMF levels while measuring objective physiological outcomes.
Sleep EEG studies showed brain wave changes during EMF exposure, but these changes occurred similarly in both electromagnetically sensitive participants and non-sensitive control groups, suggesting no special sensitivity.