Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.
Wilson JW et al, (March 2015) The effects of extremely low frequency magnetic fields on mutation induction in mice, Mutat Res. 2015 Mar;773:22-6. doi: 10.1016/j.mrfmmm.2015.01.014
No Effects Found
Authors not listed · 2015
Male mice showed minimal genetic damage from 50 Hz magnetic fields up to 300 µT, suggesting low genetic risk from power line frequencies.
Plain English Summary
Summary written for general audiences
Researchers exposed male mice to 50 Hz magnetic fields at power line frequencies (10-300 µT) for 2-15 hours to test for genetic mutations in sperm and blood cells. They found no significant genetic damage in blood cells and only marginal increases in sperm mutations that weren't dose-dependent. The study suggests that ELF magnetic field exposure at these levels produces minimal genetic effects compared to X-ray radiation.
Exposure Information
Cite This Study
Unknown (2015). Wilson JW et al, (March 2015) The effects of extremely low frequency magnetic fields on mutation induction in mice, Mutat Res. 2015 Mar;773:22-6. doi: 10.1016/j.mrfmmm.2015.01.014.
Show BibTeX
@article{wilson_jw_et_al_march_2015_the_effects_of_extremely_low_frequency_magnetic_fields_on_mutation_induction_in_mice_mutat_res_2015_mar77322_6_doi_101016jmrfmmm201501014_ce2043,
author = {Unknown},
title = {Wilson JW et al, (March 2015) The effects of extremely low frequency magnetic fields on mutation induction in mice, Mutat Res. 2015 Mar;773:22-6. doi: 10.1016/j.mrfmmm.2015.01.014},
year = {2015},
doi = {10.1016/j.mrfmmm.2015.01.014},
}Quick Questions About This Study
This study found minimal genetic effects from 50 Hz magnetic fields in male mice. Blood cells showed no significant mutations, while sperm showed only marginal increases that weren't dose-dependent, suggesting negligible genetic risk at these exposure levels.
Researchers tested 10, 100, and 300 µT magnetic field strengths. The 300 µT level is roughly 1000 times stronger than typical household exposures, yet produced minimal genetic effects in the test animals.
X-ray exposure caused significant genetic mutations in both sperm and blood cells, while ELF magnetic fields produced minimal effects. This comparison demonstrates the test system could detect real genetic damage when it occurred.
The study tested both 2-hour and 15-hour exposures to 50 Hz magnetic fields. Results showed minimal genetic effects regardless of exposure duration, suggesting time doesn't significantly increase mutation risk at these field strengths.
Blood cells showed no significant mutations from magnetic field exposure, while sperm showed marginal increases. However, the sperm effects weren't dose-dependent, suggesting they may not represent true biological responses to the fields.