Pharmacological analysis of response latency in the hot plate test following whole-body static magnetic field-exposure in the snail Helix pomatia.
Hernádi L, László JF. · 2014
View Original AbstractStatic magnetic fields at 147 mT altered pain responses by nearly 50% in snails, proving magnetic fields can directly affect nervous system function.
Plain English Summary
Researchers exposed snails to a static magnetic field for 30 minutes and tested their pain response using a hot plate test. The magnetic field exposure significantly altered the snails' response time to heat by up to 47%, affecting brain chemicals involved in pain perception including serotonin and opioid systems. This demonstrates that magnetic fields can directly influence nervous system function and pain processing in living organisms.
Why This Matters
This study provides compelling evidence that static magnetic fields can alter fundamental nervous system processes, specifically pain perception and neurotransmitter function. The 147 mT exposure level used here is significantly higher than typical household magnetic field exposures (which are usually under 1 mT), but it's within the range of some medical MRI procedures and industrial equipment. What makes this research particularly significant is that it demonstrates measurable biological effects through multiple pathways - both serotonin and opioid systems were affected. While this study used snails rather than humans, it adds to the growing body of evidence that magnetic fields can produce real, measurable changes in nervous system function. The fact that the researchers could block and enhance these effects using specific drugs proves the biological pathways involved are genuine, not artifacts of the experimental setup.
Exposure Details
- Magnetic Field
- 147±3 mG
- Exposure Duration
- 30-min
Exposure Context
This study used 147±3 mG for magnetic fields:
- 150Kx above the Building Biology guideline of 0.2 mG
- 30Kx 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
To study the effect of single, 30-min long, whole-body, homogeneous static magnetic field (SMF)-exposure of magnetic induction 147±3 mT on the response latency of the snail Helix pomatia.
The response was investigated using the hot plate test.
The effect caused by exposure to SMF was compared to sham-exposure and resulted in significant diffe...
This study provides evidence that SMF-exposure mediates peripheral thermal nociceptive threshold by affecting the serotonerg as well as the opioiderg system.
Show BibTeX
@article{l_2014_pharmacological_analysis_of_response_652,
author = {Hernádi L and László JF.},
title = {Pharmacological analysis of response latency in the hot plate test following whole-body static magnetic field-exposure in the snail Helix pomatia.},
year = {2014},
doi = {10.3109/09553002.2014.899444},
url = {https://www.tandfonline.com/doi/abs/10.3109/09553002.2014.899444},
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