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The Screening of Genes Sensitive to Long-Term, Low-Level Microwave Exposure and Bioinformatic Analysis of Potential Correlations to Learning and Memory.

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Zhao YL, Li YX, Ma HB, Li D, Li HL, Jiang R, Kan GH, Yang ZZ, Huang ZX. · 2015

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Eight weeks of cell phone radiation exposure altered hundreds of brain genes linked to Alzheimer's and memory loss in mice.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to cell phone radiation (2100 MHz) for one hour daily over eight weeks. Even low-level exposures altered brain genes involved in learning and memory, with higher levels affecting over 200 genes linked to Alzheimer's and Parkinson's diseases.

Why This Matters

This study provides molecular-level evidence for what many researchers have long suspected: chronic exposure to cell phone radiation can interfere with normal brain function. The science demonstrates that even at relatively low exposure levels (0.45 W/kg SAR), microwave radiation altered 41 genes involved in learning and memory processes. What makes this particularly concerning is that the highest exposure level tested (3.6 W/kg) is well within the range of everyday cell phone use, yet it disrupted 219 genes linked to neurodegenerative diseases. The reality is that our brains are constantly bathed in these frequencies from our phones, WiFi networks, and other wireless devices. While this was an animal study, the pathways identified are fundamental to mammalian brain function, suggesting similar mechanisms could operate in humans.

Exposure Details

SAR
0.45 1.8 , and 3.6 W/kg
Source/Device
2100 MHz
Exposure Duration
1 hour daily for 8 weeks

Exposure Context

This study used 0.45 1.8 , and 3.6 W/kg for SAR (device absorption):

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.45 1.8 , and 3.6 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 4x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.10 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.10 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

To gain a better understanding of gene expression changes in the brain following microwave exposure in mice. This study hopes to reveal mechanisms contributing to microwave-induced learning and memory dysfunction.

Mice were exposed to whole body 2100 MHz microwaves with specific absorption rates (SARs) of 0.45 W/...

The gene chip results demonstrated that 41 genes (0.45 W/kg group), 29 genes (1.8 W/kg group), and 2...

Long-term, low-level microwave exposure may inhibit learning and memory by affecting protein and energy metabolic processes and signaling pathways relating to neurological functions or diseases.

Cite This Study
Zhao YL, Li YX, Ma HB, Li D, Li HL, Jiang R, Kan GH, Yang ZZ, Huang ZX. (2015). The Screening of Genes Sensitive to Long-Term, Low-Level Microwave Exposure and Bioinformatic Analysis of Potential Correlations to Learning and Memory. Biomed Environ Sci. 28(8):558-570, 2015.
Show BibTeX
@article{yl_2015_the_screening_of_genes_1468,
  author = {Zhao YL and Li YX and Ma HB and Li D and Li HL and Jiang R and Kan GH and Yang ZZ and Huang ZX.},
  title = {The Screening of Genes Sensitive to Long-Term, Low-Level Microwave Exposure and Bioinformatic Analysis of Potential Correlations to Learning and Memory.},
  year = {2015},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/26383594/},
}
PubMed: 26383594

Cited By (6 papers)

Quick Questions About This Study

Yes, researchers found that 2100 MHz radiation altered brain genes in mice after just 8 weeks of one-hour daily exposure. Even the lowest exposure level (0.45 W/kg) changed 41 genes involved in learning and memory processes.
Cell phone radiation at 3.6 W/kg affected 219 brain genes in mice exposed for one hour daily over eight weeks. These genes were linked to Alzheimer's disease, Parkinson's disease, and other neurological conditions.
Yes, the study found that 2100 MHz radiation exposure altered genes involved in Alzheimer's disease pathways. Higher exposure levels (3.6 W/kg) significantly affected genes linked to both Alzheimer's and Parkinson's disease development.
Research shows that one hour of daily 2100 MHz cell phone radiation exposure for eight weeks altered genes responsible for learning and memory in mice. The effects increased with higher radiation levels.
The study found that 2100 MHz radiation disrupted protein and energy metabolic processes in the brain. These changes affected cellular protein metabolism, transport functions, and neurotrophin signaling pathways crucial for learning and memory.