8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Oxidative Stress

Modulation of hydrogen peroxide production in cellular systems by low level magnetic fields.

Bioeffects Seen

Martino CF, Castello PR · 2011

View Original Abstract
Share:

Even magnetic fields 200 times weaker than Earth's natural field can alter fundamental cellular chemistry in both healthy and cancer cells.

Plain English Summary

Summary written for general audiences

Scientists exposed cancer cells and healthy cells to weakened magnetic fields similar to reducing Earth's natural magnetism. Both cell types produced significantly less hydrogen peroxide, a molecule linked to cellular damage and cancer development, showing even extremely weak magnetic fields affect basic cellular functions.

Why This Matters

This study reveals something remarkable: magnetic fields as weak as 0.2 to 2 microtesla can measurably alter cellular chemistry. To put this in perspective, these field strengths are roughly 20 to 200 times weaker than Earth's natural magnetic field and thousands of times weaker than typical household appliances. The research demonstrates that cells are exquisitely sensitive to magnetic field variations, responding to changes so subtle they're barely detectable by instruments. What makes this particularly significant is that the study examined hydrogen peroxide production, a fundamental cellular process linked to both normal cell function and disease development. The fact that such weak fields can modulate this basic biochemical pathway suggests our cells may be far more responsive to electromagnetic environments than previously understood, even at exposure levels we might consider negligible.

Exposure Details

Magnetic Field
0.0002 -0.002 mG

Exposure Context

This study used 0.0002 -0.002 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: 0.0002 -0.002 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the No Concern rangeFCC limit is 10,000,000x higher than this level

Study Details

In this manuscript, we present data on the influence of the suppression of the Earth's magnetic field (low level magnetic fields or LLF) which magnitudes range from 0.2 µT to 2 µT on the modulation of hydrogen peroxide (H(2)O(2)) in human fibrosarcoma cancer cell line HT1080, pancreatic AsPC-1 cancer cell line, and bovine pulmonary artery endothelial cells (PAEC) exposed to geomagnetic field (control; 45 µT-60 µT).

Reduction of the Earth's magnetic field suppressed H(2)O(2) production in cancer cells and PAEC. The...

Cite This Study
Martino CF, Castello PR (2011). Modulation of hydrogen peroxide production in cellular systems by low level magnetic fields. PLoS One. 6(8):e22753, 2011.
Show BibTeX
@article{cf_2011_modulation_of_hydrogen_peroxide_423,
  author = {Martino CF and Castello PR},
  title = {Modulation of hydrogen peroxide production in cellular systems by low level magnetic fields.},
  year = {2011},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/21887222/},
}
PubMed: 21887222

Cited By (76 papers)

View all 76 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, magnetic fields can significantly affect cellular damage processes. A 2011 study found that weakening Earth's magnetic field reduced hydrogen peroxide production in both cancer and healthy cells by notable amounts, showing even extremely weak magnetic changes influence basic cellular functions.
Weak magnetic fields do impact cancer cells according to research. Scientists found that reducing magnetic field strength similar to weakening Earth's magnetism caused cancer cells to produce significantly less hydrogen peroxide, a molecule linked to cellular damage and cancer development.
Magnetic fields directly affect hydrogen peroxide production in cells. Research shows that weakening magnetic field strength causes both cancer cells and healthy cells to produce significantly less hydrogen peroxide, demonstrating that magnetic fields modulate this important cellular process.
Earth's magnetic field appears important for normal cell function. When scientists artificially reduced magnetic field strength to simulate weakened Earth magnetism, both healthy and cancer cells showed significant changes in hydrogen peroxide production, indicating magnetic fields influence basic cellular processes.
Reduced magnetic fields cause measurable cellular effects, specifically decreasing hydrogen peroxide production. A 2011 study found that weakening magnetic field strength affected both cancer cells and healthy cells, suggesting magnetic field changes can alter fundamental cellular chemistry and function.