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Common behaviors alterations after extremely low-frequency electromagnetic field exposure in rat animal model.

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Mahdavi SM, Sahraei H, Rezaei-Tavirani M, Najafi Abedi A. · 2015

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The study demonstrated that ELF-EMF exposure can alter the normal condition of animals and may represent a harmful impact on behavior.

Plain English Summary

Summary written for general audiences

Rats were exposed to 40 Hz ELF-EMF once a day for 21 days and assessed at days 1, 3, 7, 14, and 21 after exposure. Body weight significantly increased only at one week after exposure and then decreased. Food and water intake did not change significantly, while anorexia significantly decreased at one and two weeks after irradiation. Plasma glucose significantly increased at one week but not at other time points. Movements, rearing, and sniffing were significantly decreased at day 1 after exposure, with no consistent pattern on other days.

Why This Matters

The researchers aimed to investigate the relationship between ELF-EMF exposure and common behaviors including body weight, food and water intake, anorexia, plasma glucose, movement, rearing, and sniffing in rats. The authors concluded that ELF-EMF exposure can alter the normal condition of animals and may represent a harmful impact on behavior.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 40 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 40 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 40 Hz Duration: 21 days

Study Details

In the present study, we tried to investigate the relation between exposure to the extremely low-frequency electromagnetic field (ELF-EMF) and common behaviors such as body weight, food and water intake, anorexia (poor appetite), plasma glucose concentration, movement, rearing and sniffing in rats.

For this purpose, rats were exposed to 40 Hz ELF-EMF once a day for 21 days, then at days 1, 3, 7, 1...

Body weight of irradiated rats significantly increased only a week after exposure and decreased afte...

The result of this study demonstrated that exposure to ELF-EMF can alter the normal condition of animals and may represent a harmful impact on behavior.

Cite This Study
Mahdavi SM, Sahraei H, Rezaei-Tavirani M, Najafi Abedi A. (2015). Common behaviors alterations after extremely low-frequency electromagnetic field exposure in rat animal model. Electromagn Biol Med. 2015 Jul 16:1-6.
Show BibTeX
@article{sm_2015_common_behaviors_alterations_after_1761,
  author = {Mahdavi SM and Sahraei H and Rezaei-Tavirani M and Najafi Abedi A.},
  title = {Common behaviors alterations after extremely low-frequency electromagnetic field exposure in rat animal model.},
  year = {2015},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/26182237/},
}
PubMed: 26182237

Cited By (4 papers)

Quick Questions About This Study

Rats were exposed to 40 Hz ELF-EMF once a day for 21 days.
The study assessed body weight, food and water intake, anorexia, plasma glucose concentration, movement, rearing, and sniffing.
Body weight significantly increased only at one week after exposure and then decreased.
Movements, rearing, and sniffing were significantly decreased at day 1 after exposure, with no consistent pattern on other days.
No significant change was observed in food and water intake of irradiated rats compared to the control.