8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Brain & Nervous System210 citations

Electromagnetic hypersensitivity: a systematic review of provocation studies

No Effects Found

Authors not listed · 2005

Share:

Controlled studies of 725 electromagnetically hypersensitive people found no ability to detect EMF exposure when blinded.

Plain English Summary

Summary written for general audiences

Researchers analyzed 31 studies testing 725 people who claimed electromagnetic hypersensitivity (EHS) to see if they could actually detect EMF exposure under controlled conditions. The systematic review found no evidence that self-reported EHS sufferers could distinguish between real and fake EMF exposure when they didn't know which was which. While EHS symptoms can be severe and disabling, the science suggests they're not triggered by electromagnetic fields themselves.

Cite This Study
Unknown (2005). Electromagnetic hypersensitivity: a systematic review of provocation studies.
Show BibTeX
@article{electromagnetic_hypersensitivity_a_systematic_review_of_provocation_studies_ce1691,
  author = {Unknown},
  title = {Electromagnetic hypersensitivity: a systematic review of provocation studies},
  year = {2005},
  doi = {10.1097/01.psy.0000155664.13300.64},
  
}
DOI: 10.1097/01.psy.0000155664.13300.64PubMed: 15784787

Quick Questions About This Study

No. When tested under controlled, blinded conditions where participants didn't know if EMF was present, people claiming electromagnetic hypersensitivity performed no better than control groups at detecting actual EMF exposure.
Only 7 out of 31 studies initially suggested EHS might be real. However, 2 couldn't be replicated by the same researchers, 3 had statistical errors, and the final 2 contradicted each other.
No. The review acknowledges EHS symptoms can be severe and disabling. However, it shows these symptoms aren't triggered by electromagnetic field exposure itself, suggesting other causes should be investigated.
This systematic review only included blind or double-blind studies, where participants didn't know if they were exposed to real or fake EMF. This eliminates psychological bias that can influence results.
The systematic review analyzed data from 725 people who reported electromagnetic hypersensitivity across 31 different controlled experiments, making this one of the largest evidence bases available on EHS.