Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.
Leukemia and lymphoma incidence in rodents exposed to low-frequency magnetic fields
No Effects Found
Authors not listed · 2000
Multiple large-scale rodent studies found no leukemia increase from magnetic fields 5,000 times stronger than typical home exposure.
Plain English Summary
Summary written for general audiences
This comprehensive review examined multiple animal studies testing whether low-frequency magnetic fields (50-60 Hz) cause leukemia and lymphoma in rodents. Studies involving over 3,000 mice and rats exposed to magnetic fields up to 5,000 times stronger than typical home levels found no increased cancer rates. The consistently negative results challenge epidemiological studies suggesting a link between power line EMF and childhood leukemia.
Exposure Information
Cite This Study
Unknown (2000). Leukemia and lymphoma incidence in rodents exposed to low-frequency magnetic fields.
Show BibTeX
@article{leukemia_and_lymphoma_incidence_in_rodents_exposed_to_low_frequency_magnetic_fields_ce1544,
author = {Unknown},
title = {Leukemia and lymphoma incidence in rodents exposed to low-frequency magnetic fields},
year = {2000},
doi = {10.1667/0033-7587(2000)153[0627:LALIIR]2.0.CO;2},
}Quick Questions About This Study
No. Studies of over 2,000 C57BL/6J mice exposed to 60 Hz magnetic fields at 1,400 microT for 28 months found no increase in lymphoma incidence compared to unexposed controls.
Magnetic field strengths ranged from 1,000 to 5,000 microT (5 mT), which is 2,500 to 12,500 times stronger than typical residential exposure levels of 0.1-0.4 microT near power lines.
No. Even genetically modified Emu-Pim1 mice predisposed to cancer showed no increased leukemia rates when exposed to 50 Hz magnetic fields up to 1,000 microT for 18 months.
F344 rats were exposed to 50 or 60 Hz magnetic fields up to 5,000 microT for their entire lifespans (approximately 2 years), with no increased leukemia incidence observed.
Yes. The consistently negative animal findings weaken the epidemiological associations between magnetic field exposure and childhood leukemia reported in some human population studies, creating scientific uncertainty.