Effects of continuous and intermittent magnetic fields on oxidative parameters in vivo.
Coşkun S, Balabanli B, Canseven A, Seyhan N. · 2009
View Original AbstractPower-frequency magnetic fields triggered oxidative stress in multiple organs within just four days of exposure in this animal study.
Plain English Summary
Researchers exposed guinea pigs to 50 Hz magnetic fields (power line frequency) for four hours daily over four days. Both continuous and pulsed exposures increased cellular damage markers in blood, liver, and brain tissue, suggesting power-frequency fields can trigger harmful oxidative stress.
Why This Matters
This study adds to the growing body of evidence that extremely low frequency magnetic fields can trigger biological effects at the cellular level. The 1.5 milliTesla exposure used here is significantly higher than typical residential exposures (which range from 0.01 to 0.2 mT near power lines), but it's within the range that occupational workers might encounter. What makes this research particularly significant is that it demonstrates measurable oxidative stress in multiple organ systems after just four days of exposure. The finding that continuous and intermittent fields produce different patterns of cellular damage suggests the biological effects are complex and frequency-dependent. For you, this reinforces the importance of the precautionary principle when it comes to EMF exposure, especially given that oxidative stress is implicated in numerous chronic diseases.
Exposure Details
- Magnetic Field
- 1.5 mG
- Source/Device
- 50 Hz
- Exposure Duration
- 4 h/day for 4 days
Exposure Context
This study used 1.5 mG for magnetic fields:
- 75Kx above the Building Biology guideline of 0.2 mG
- 15Kx above the BioInitiative Report recommendation of 1 mG
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
Continuous and intermittent 50 Hz, 1.5 mT magnetic field with the exposure period of 4 h/day for 4 days was used to investigate its possible effect on adult guinea pigs.
Tissues and plasma specimens were assessed by biochemical parameters. Malondialdehyde (MDA), glutath...
While intermittent magnetic field was effective on plasma lipid peroxidation, continuous magnetic f...
These results indicate that both the intermittent and continuous magnetic field exposures affect various tissues in a distinct manner because of having different tissue antioxidant status and responses.
Show BibTeX
@article{s_2009_effects_of_continuous_and_235,
author = {Coşkun S and Balabanli B and Canseven A and Seyhan N. },
title = {Effects of continuous and intermittent magnetic fields on oxidative parameters in vivo.},
year = {2009},
doi = {10.1007/s11064-008-9760-3},
url = {https://link.springer.com/article/10.1007/s11064-008-9760-3},
}