Chung YH et al, (January 2015) Extremely low frequency magnetic field modulates the level of neurotransmitters, Korean J Physiol Pharmacol. 2015 Jan;19(1):15-20. doi: 10.4196/kjpp.2015.19.1.15
Authors not listed · 2015
60 Hz magnetic fields from power lines can alter brain neurotransmitter levels within days of exposure.
Plain English Summary
Korean researchers exposed rats to 60 Hz magnetic fields (the same frequency as power lines) for 2-5 days and found significant changes in brain neurotransmitters across multiple brain regions. The exposure altered levels of dopamine, serotonin, norepinephrine, and other brain chemicals that control mood, movement, and cognitive function. These findings suggest that everyday exposure to power line frequencies may directly affect brain chemistry.
Why This Matters
This study provides compelling evidence that power line frequency EMF can directly alter brain chemistry in ways that could affect human behavior and health. The 60 Hz frequency tested is identical to what emanates from electrical wiring, appliances, and power lines throughout North America. What makes this research particularly concerning is the strength of the magnetic field used (2.0 mT) - while higher than typical household exposure, it's within the range found near high-voltage power lines and some industrial equipment.
The widespread changes in neurotransmitters across multiple brain regions suggest that ELF magnetic fields don't just affect isolated brain functions but can alter the complex chemical networks that govern mood, cognition, and neurological health. The fact that these changes occurred within just 2-5 days of exposure raises important questions about the cumulative effects of chronic, lower-level exposure from our electrical infrastructure. While the mechanisms remain unclear, this research adds to growing evidence that our brains are more sensitive to electromagnetic fields than regulatory agencies have acknowledged.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{chung_yh_et_al_january_2015_extremely_low_frequency_magnetic_field_modulates_the_level_of_neurotransmitters_korean_j_physiol_pharmacol_2015_jan19115_20_doi_104196kjpp201519115_ce2046,
author = {Unknown},
title = {Chung YH et al, (January 2015) Extremely low frequency magnetic field modulates the level of neurotransmitters, Korean J Physiol Pharmacol. 2015 Jan;19(1):15-20. doi: 10.4196/kjpp.2015.19.1.15},
year = {2015},
doi = {10.4196/kjpp.2015.19.1.15},
}