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Static magnetic fields modulate the response of different oxidative stress markers in a restraint stress model animal.

Bioeffects Seen

Coballase-Urrutia E, Navarro L, Ortiz JL, Verdugo-Díaz L, Gallardo JM, Hernández ME, Estrada-Rojo F · 2018

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Weak static magnetic fields reduced harmful cellular stress markers in animals, showing measurable biological effects at everyday exposure levels.

Plain English Summary

Summary written for general audiences

Researchers exposed stressed laboratory animals to weak static magnetic fields (0.8 mT) for varying durations over 5 days and measured markers of cellular damage called oxidative stress. They found that magnetic field exposure significantly reduced harmful oxidative stress markers while boosting the body's natural antioxidant defenses. The protective effects were time-dependent, suggesting that controlled magnetic field exposure might help the body cope with stress-related cellular damage.

Why This Matters

This study adds to growing evidence that magnetic fields can trigger measurable biological responses, even at relatively low intensities. The 0.8 mT exposure level is comparable to what you might encounter near some household appliances or medical devices, though much weaker than MRI machines. What's particularly interesting is that the researchers found beneficial effects rather than harmful ones, with the magnetic fields appearing to reduce oxidative stress rather than increase it. However, we should be cautious about drawing broad conclusions from a single animal study. The reality is that magnetic field bioeffects are highly complex and context-dependent. While this research suggests potential therapeutic applications, it also demonstrates that our bodies respond to magnetic field exposure in ways we're still working to understand. The time-dependent response pattern the researchers observed reinforces that duration and timing of exposure matter significantly in determining biological outcomes.

Exposure Details

Magnetic Field
0.8 mG
Exposure Duration
30, 60, and 240 min/day for 5 days

Exposure Context

This study used 0.8 mG for magnetic fields:

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 Exposure Level in ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in ContextThis study: 0.8 mGExtreme Concern5 mGFCC Limit2,000 mGEffects observed in the Slight Concern range (Building Biology)FCC limit is 2,500x higher than this exposure level

Study Details

In this study, we demonstrated the effects of static magnetic fields (0.8 mT) in a restraint stressed animal model, focusing on changes in different markers of oxidative damage.

A significant increase in the plasma levels of nitric oxide (NO), malondialdehyde (MDA), and advance...

Thus, we proposed that exposure to weak-intensity SMFs could offer a complementary therapy by attenuating oxidative stress. Our results provided a new perspective in health studies, particularly in the context of oxidative stress.

Cite This Study
Coballase-Urrutia E, Navarro L, Ortiz JL, Verdugo-Díaz L, Gallardo JM, Hernández ME, Estrada-Rojo F (2018). Static magnetic fields modulate the response of different oxidative stress markers in a restraint stress model animal. Biomed Res Int. 2018:3960408, 2018.
Show BibTeX
@article{e_2018_static_magnetic_fields_modulate_339,
  author = {Coballase-Urrutia E and Navarro L and Ortiz JL and Verdugo-Díaz L and Gallardo JM and Hernández ME and Estrada-Rojo F},
  title = {Static magnetic fields modulate the response of different oxidative stress markers in a restraint stress model animal.},
  year = {2018},
  
  url = {https://www.hindawi.com/journals/bmri/2018/3960408/},
}

Quick Questions About This Study

Researchers exposed stressed laboratory animals to weak static magnetic fields (0.8 mT) for varying durations over 5 days and measured markers of cellular damage called oxidative stress. They found that magnetic field exposure significantly reduced harmful oxidative stress markers while boosting the body's natural antioxidant defenses. The protective effects were time-dependent, suggesting that controlled magnetic field exposure might help the body cope with stress-related cellular damage.