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Anxiety-like behavioural effects of extremely low-frequency electromagnetic field in rats.

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Djordjevic NZ, Paunović MG, Peulić AS. · 2017

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Seven days of power-line frequency EMF exposure caused anxiety behaviors in rats through increased brain oxidative stress.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to 50 Hz electromagnetic fields (the same frequency as household electricity) for seven days and found it caused anxiety-like behaviors. The EMF exposure increased harmful oxidative stress compounds in the brain region that controls stress responses. This suggests that common power line frequencies may directly affect brain chemistry and emotional well-being.

Why This Matters

This study adds important evidence to our understanding of how extremely low frequency EMFs affect brain function and behavior. The 50 Hz frequency used is identical to the electrical current powering homes throughout Europe and much of the world (60 Hz in North America). What makes this research particularly significant is that it identifies a specific biological mechanism - oxidative stress in the hypothalamus - that could explain how EMF exposure translates into measurable behavioral changes. The hypothalamus regulates critical functions including stress response, sleep, and hormones. While this was a short-term study in animals, the findings align with growing evidence that EMF exposure can influence neurological function through oxidative stress pathways. The reality is that we're all exposed to these frequencies daily through our electrical infrastructure, making this research directly relevant to public health considerations.

Exposure Information

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

Specific exposure levels were not quantified in this study. The study examined exposure from: 50 Hz Duration: 7 days

Study Details

The aim of this study was to investigate the effect of short-term ELF-EMF (50 Hz) in the development of anxiety-like behaviour in rats through change hypothalamic oxidative stress and NO

Ten adult male rats (Wistar albino) were divided in two groups: control group-without exposure to EL...

Obtained results show that ELF-EMF both induces anxiety-like behaviour and increases concentrations ...

In conclusion, the development of anxiety-like behaviour is mediated by oxidative stress and increased NO concentration in hypothalamus of rats exposed to ELF-EMF during 7 days.

Cite This Study
Djordjevic NZ, Paunović MG, Peulić AS. (2017). Anxiety-like behavioural effects of extremely low-frequency electromagnetic field in rats. Environ Sci Pollut Res Int. 2017 Jul 29. doi: 10.1007/s11356-017-9710-1.
Show BibTeX
@article{nz_2017_anxietylike_behavioural_effects_of_1740,
  author = {Djordjevic NZ and Paunović MG and Peulić AS.},
  title = {Anxiety-like behavioural effects of extremely low-frequency electromagnetic field in rats.},
  year = {2017},
  doi = {10.1007/s11356-017-9710-1},
  url = {https://link.springer.com/article/10.1007/s11356-017-9710-1},
}
DOI: 10.1007/s11356-017-9710-1

Cited By (24 papers)

Quick Questions About This Study

Yes, a 2017 study found that exposing rats to 50 Hz electromagnetic fields (the same frequency as household electricity) for seven days caused anxiety-like behaviors. The EMF exposure increased harmful oxidative stress compounds in the brain region controlling stress responses.
Research shows that seven days of 50 Hz EMF exposure significantly alters brain chemistry in the hypothalamus. The study found increased concentrations of harmful superoxide radicals and nitric oxide, which are linked to oxidative stress and anxiety-like behaviors.
Exposure to 50 Hz EMF (household electricity frequency) increases oxidative stress in the hypothalamus, the brain region controlling stress responses. A 2017 rat study found elevated superoxide and nitric oxide levels after seven days of exposure, correlating with anxiety behaviors.
Power line frequency EMF (50 Hz) causes measurable changes in brain chemistry, specifically increasing harmful oxidative compounds in the hypothalamus. These biochemical changes coincide with the development of anxiety-like behaviors, suggesting EMF directly affects emotional regulation centers.
Yes, researchers found that 50 Hz EMF-induced anxiety behaviors are mediated by oxidative stress. The study showed increased superoxide radicals and nitric oxide in the hypothalamus, demonstrating that power frequency EMF affects brain chemistry through oxidative pathways.