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Brain & Nervous System

Extremely Low-Frequency Magnetic Exposure Appears to Have No Effect on Pathogenesis of Alzheimer’s Disease in Aluminum-Overloaded Rat

No Effects Found

Zhang C, Li Y, Wang C, Lv R, Song T · 2013

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Magnetic field exposure at 100 µT showed no effect on Alzheimer's pathology, even when combined with brain-toxic aluminum treatment.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to extremely low frequency magnetic fields (50 Hz at 100 µT) for 12 weeks to test whether EMF exposure could worsen Alzheimer's disease symptoms caused by aluminum poisoning. The magnetic field exposure alone showed no effect on brain health, and it didn't make aluminum-induced brain damage any worse. This suggests that EMF exposure at these levels doesn't contribute to Alzheimer's disease development.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

The study examined exposure from: 50 Hz Duration: 12 weeks

Study Details

This study aims to examine whether or not ELF-MF and Al have synergistic effects toward AD pathogenesis by investigating the effects of ELF-MF with or without chronic Al treatment on SD rats

Sprague-Dawley (SD) rats were subjected one of the following treatments: sham (control group), oral ...

After 12 wk of treatment, oral Al treatment groups (Al and MF+Al groups) showed learning and memory ...

Our results showed no evidence of any association between ELF-MF exposure (100 µT at 50 Hz) and AD, and ELF-MF exposure does not influence the pathogenesis of AD induced by Al overload.

Cite This Study
Zhang C, Li Y, Wang C, Lv R, Song T (2013). Extremely Low-Frequency Magnetic Exposure Appears to Have No Effect on Pathogenesis of Alzheimer’s Disease in Aluminum-Overloaded Rat PLoS One. 2013 Aug 12;8(8):e71087. doi: 10.1371/journal.pone.0071087.
Show BibTeX
@article{c_2013_extremely_lowfrequency_magnetic_exposure_2834,
  author = {Zhang C and Li Y and Wang C and Lv R and Song T},
  title = {Extremely Low-Frequency Magnetic Exposure Appears to Have No Effect on Pathogenesis of Alzheimer’s Disease in Aluminum-Overloaded Rat},
  year = {2013},
  
  url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0071087},
}

Quick Questions About This Study

No, a 2013 study found that 50 Hz magnetic fields at 100 µT for 12 weeks did not worsen Alzheimer's pathology in aluminum-poisoned rats. The magnetic field exposure showed no significant effect on brain health or disease progression.
Research shows 100 µT extremely low frequency magnetic fields (50 Hz) for 12 weeks caused no brain damage in rats. The study found no neuronal cell loss, memory impairment, or amyloid-β buildup from EMF exposure alone.
A 12-week study of 50 Hz magnetic fields at 100 µT found no impact on learning and memory in rats. Only aluminum poisoning caused cognitive impairment, while the magnetic field exposure showed no significant effects.
Research found no interaction between 50 Hz magnetic fields and aluminum-induced brain toxicity. Rats exposed to both aluminum and 100 µT magnetic fields showed no additional damage compared to aluminum alone for 12 weeks.
A 2013 study found 50 Hz magnetic fields at 100 µT for 12 weeks caused no damage to hippocampus or cerebral cortex in rats. No neuronal loss or amyloid-β accumulation occurred from EMF exposure.