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Oxidative Stress

The effect of 50 Hz magnetic field of different shape on oxygen metabolism in blood platelets: in vitro studies.

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Henrykowska G, Jankowski W, Pacholski K, Lewicka M, Smigielski J, Dziedziczak-Buczyńska M, Buczyński A. · 2009

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Power-frequency magnetic fields trigger oxidative stress in human blood cells within 15 minutes, disrupting cellular defenses.

Plain English Summary

Summary written for general audiences

Researchers exposed human blood platelets to power line frequency magnetic fields for 15 minutes. The exposure increased cellular damage markers and free radicals while reducing natural antioxidant defenses, suggesting that brief magnetic field exposure can disrupt normal cell function and potentially harm health.

Why This Matters

This study provides direct evidence that power-frequency magnetic fields can trigger oxidative stress in human blood cells, which is significant because oxidative stress is linked to numerous health conditions including cardiovascular disease, cancer, and premature aging. The 10 mT exposure level used here is quite high compared to typical household exposures (which range from 0.01 to 1 mT), but the fact that these effects occurred in just 15 minutes suggests that even lower, chronic exposures could accumulate similar damage over time. What makes this research particularly compelling is that it examined actual human cells rather than animal models, and the researchers found consistent effects regardless of the magnetic field's waveform shape. The science demonstrates that our cells' natural defense systems become compromised when exposed to these fields, which helps explain the growing body of epidemiological evidence linking EMF exposure to various health problems.

Exposure Details

Magnetic Field
10 mG
Source/Device
50 Hz
Exposure Duration
15 min

Exposure Context

This study used 10 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 ContextStudy Exposure Level in ContextThis study: 10 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the Extreme Concern rangeFCC limit is 200x higher than this level
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

Study Details

The aim of the study was to assess the influence that the shape of low frequency magnetic field may have on catalase and superoxide dismutase activity, malondialdehyde concentration and free radicals generation in human blood platelets.

The suspension of human blood platelets was exposed for 15 min to 50 Hz magnetic field of different ...

The determinations of free radicals, malondialdehyde and catalase showed increased values compared w...

The findings indicate that the oxidative stress resulting from exposure to 50 Hz magnetic field of 10 mT induction may produce a number of adverse effects within the cell and thus may lead to systemic disturbances in the human body.

Cite This Study
Henrykowska G, Jankowski W, Pacholski K, Lewicka M, Smigielski J, Dziedziczak-Buczyńska M, Buczyński A. (2009). The effect of 50 Hz magnetic field of different shape on oxygen metabolism in blood platelets: in vitro studies. Int J Occup Med Environ Health. 22(3):269-276, 2009.
Show BibTeX
@article{g_2009_the_effect_of_50_385,
  author = {Henrykowska G and Jankowski W and Pacholski K and Lewicka M and Smigielski J and Dziedziczak-Buczyńska M and Buczyński A.},
  title = {The effect of 50 Hz magnetic field of different shape on oxygen metabolism in blood platelets: in vitro studies.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19887367/},
}
PubMed: 19887367

Cited By (14 papers)

Quick Questions About This Study

Research shows 50 Hz magnetic fields from power lines can damage blood platelets within 15 minutes of exposure. A 2009 study found these fields increased cellular damage markers and free radicals while reducing natural antioxidant defenses in human blood samples.
Yes, 50 Hz magnetic fields create oxidative stress in cells. Laboratory studies demonstrate that brief exposure increases free radicals and cellular damage markers while lowering protective antioxidant enzyme activity, potentially leading to systemic health disturbances.
Power line frequency magnetic fields can harm cellular function. Research on human blood platelets shows 15-minute exposure to 50 Hz fields disrupts normal cell metabolism, increases oxidative damage, and reduces the body's natural antioxidant protection systems.
Fifty hertz EMF exposure may cause cellular oxidative stress and damage. Studies show these power line frequencies increase harmful free radicals and cellular damage markers while reducing protective antioxidant enzymes, potentially contributing to systemic health problems.
Magnetic fields from power lines can disrupt blood platelet function by creating oxidative stress. Research shows 50 Hz exposure increases cellular damage and free radicals while reducing antioxidant defenses, suggesting potential impacts on blood health and circulation.