Nocturnal excretion of a urinary melatonin metabolite among electric utility workers
Authors not listed · 1998
Stable 60 Hz magnetic fields from power lines and home wiring can reduce melatonin production in humans.
Plain English Summary
Researchers measured magnetic field exposure and melatonin levels in electric utility workers over three consecutive days. They found that temporally stable 60 Hz magnetic fields (the kind from power lines) were associated with reduced nighttime melatonin production. This matters because melatonin is crucial for sleep, immune function, and protecting against cancer.
Why This Matters
This study provides compelling evidence that power line frequency magnetic fields can disrupt one of our body's most important hormones. The researchers found that workers exposed to temporally stable 60 Hz fields showed reduced melatonin production, with the strongest effects occurring when exposures happened both at work and at home. What makes this particularly concerning is that melatonin isn't just about sleep - it's a powerful antioxidant that helps protect against cancer and supports immune function. The 60 Hz frequency studied here is exactly what you're exposed to from household wiring, appliances, and power lines. Unlike brief exposures from devices like cell phones, power line fields provide constant, stable exposure that this research suggests may be more biologically disruptive than intermittent fields.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{nocturnal_excretion_of_a_urinary_melatonin_metabolite_among_electric_utility_workers_ce2258,
author = {Unknown},
title = {Nocturnal excretion of a urinary melatonin metabolite among electric utility workers},
year = {1998},
doi = {10.5271/SJWEH.297},
}