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Hong I, Garrett A, Maker G, Mullaney I, Rodger J, Etherington SJrkip

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Authors not listed · 2018

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ELF electromagnetic fields from everyday electrical devices can trigger anxiety by causing oxidative stress in brain regions critical for emotional regulation.

Plain English Summary

Summary written for general audiences

This 2018 review examined how extremely low frequency electromagnetic fields (ELF-EMF) from 3-3000 Hz affect anxiety behavior in laboratory animals. The research found that these fields, which are common in our daily environment from electrical devices, can trigger anxiety-like behaviors by causing oxidative stress in key brain regions including the hippocampus and hypothalamus. The study suggests antioxidants may help protect against these anxiety-inducing effects.

Why This Matters

This review provides crucial insight into one of the most concerning aspects of our electromagnetic environment: the psychological effects of the ELF fields that surround us constantly. The 3-3000 Hz range encompasses the 50-60 Hz frequencies from power lines and household wiring, plus harmonics from electronic devices. What makes this particularly significant is that anxiety disorders affect over 40 million American adults, and this research suggests our electromagnetic environment may be a contributing factor we've largely ignored. The finding that ELF-EMF disrupts the hippocampus-prefrontal cortex pathway is especially troubling, as this neural circuit is fundamental to emotional regulation and stress response. The fact that antioxidants showed protective effects offers hope, but the real solution is recognizing that our 24/7 exposure to these fields may be silently undermining mental health on a population scale.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 3-3000 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 3-3000 HzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2018). Hong I, Garrett A, Maker G, Mullaney I, Rodger J, Etherington SJrkip.
Show BibTeX
@article{hong_i_garrett_a_maker_g_mullaney_i_rodger_j_etherington_sjrkip_ce4404,
  author = {Unknown},
  title = {Hong I, Garrett A, Maker G, Mullaney I, Rodger J, Etherington SJrkip},
  year = {2018},
  doi = {10.1080/15368378.2024.2380305},
  
}
DOI: 10.1080/15368378.2024.2380305PubMed: 39074042

Quick Questions About This Study

Yes, research shows ELF-EMF in the 3-3000 Hz range can induce anxiety-like behaviors in laboratory animals by disrupting brain pathways between the hippocampus and prefrontal cortex, regions critical for emotional regulation.
ELF-EMF causes oxidative stress in the hypothalamus and hippocampus, reduces hippocampus neuroplasticity, and increases NMDA2A receptor expression. These changes disrupt normal brain function and emotional processing pathways.
Studies suggest antioxidant supplementation can serve as an effective protective measure against ELF-EMF induced anxiety behaviors by countering the oxidative stress these fields create in brain tissue.
Power lines (50-60 Hz), household wiring, electric appliances, and electronic devices all emit frequencies within the 3-3000 Hz ELF range that research links to anxiety-inducing brain effects.
ELF-EMF interferes with normal communication between the hippocampus and prefrontal cortex through oxidative stress and altered receptor expression, disrupting this critical pathway for emotional regulation and stress response.