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Rats exposed to 2.45GHz of non-ionizing radiation exhibit behavioral changes with increased brain expression of apoptotic caspase 3.

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Varghese R, Majumdar A, Kumar G, Shukla A. · 2017

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WiFi-frequency radiation caused memory problems and brain cell death in rats after 45 days of exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed female rats to WiFi-frequency radiation (2.45GHz) for 4 hours daily over 45 days and found significant brain changes including memory problems, increased anxiety, and markers of brain cell death. The radiation also damaged the brain's natural antioxidant defenses and altered the structure of neurons that carry electrical signals. This study suggests that prolonged exposure to WiFi radiation at the frequency used by most wireless devices may harm brain function and structure.

Why This Matters

This research adds to mounting evidence that WiFi radiation affects brain function at the cellular level. The 2.45GHz frequency used in this study is identical to what your home WiFi router, laptop, and many other wireless devices emit daily. What makes this study particularly significant is the comprehensive approach - the researchers didn't just look at behavior, but examined the underlying biological mechanisms including oxidative stress, cell death markers, and actual changes to neuron structure. The findings of increased anxiety and memory decline align with growing reports from people experiencing cognitive symptoms they associate with wireless technology exposure. While this was an animal study with prolonged daily exposure, it demonstrates that WiFi-frequency radiation can produce measurable brain changes through well-understood biological pathways. The reality is that many of us are exposed to similar frequencies for extended periods throughout our day, making these findings directly relevant to our daily lives.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 2.45GHz Duration: 4h/day for 45days

Study Details

The present study evaluated the impact of 2.45GHz radiation exposure for 4h/day for 45days on behavioral and oxidative stress parameters in female Sprague Dawley rats. Behavioral tests of anxiety, learning and memory were started from day 38.

Oxidative stress parameters were estimated in brain homogenates after sacrificing the rats on day 45...

In morris water maze, elevated plus maze and light dark box test, the 2.45GHz radiation exposed rats...

The study clearly indicates that exposure of rats to microwave radiation of 2.45GHz leads to detrimental changes in brain leading to lowering of learning and memory and expression of anxiety behavior in rats along with fall in brain antioxidant enzyme systems.

Cite This Study
Varghese R, Majumdar A, Kumar G, Shukla A. (2017). Rats exposed to 2.45GHz of non-ionizing radiation exhibit behavioral changes with increased brain expression of apoptotic caspase 3. Pathophysiology. 2017 Nov 14. pii: S0928-4680(17)30052-4. doi: 10.1016/j.pathophys.2017.11.001.
Show BibTeX
@article{r_2017_rats_exposed_to_245ghz_1718,
  author = {Varghese R and Majumdar A and Kumar G and Shukla A.},
  title = {Rats exposed to 2.45GHz of non-ionizing radiation exhibit behavioral changes with increased brain expression of apoptotic caspase 3.},
  year = {2017},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/29153770/},
}
PubMed: 29153770

Cited By (42 papers)

Quick Questions About This Study

Yes, a 2017 study found that female rats exposed to 2.45GHz WiFi radiation for 4 hours daily over 45 days showed significant increases in anxiety behavior. The rats also experienced memory decline and brain cell damage, suggesting WiFi frequencies may affect mental health and cognitive function.
Research shows that 45 days of daily 2.45GHz radiation exposure significantly compromised brain antioxidant defenses in rats. The study found decreased levels of protective enzymes like superoxide dismutase and catalase, while brain lipid peroxidation increased, indicating oxidative damage from prolonged WiFi exposure.
Yes, rats exposed to 2.45GHz radiation showed notably increased expression of caspase 3, a key marker of programmed cell death in brain tissue. This finding suggests that WiFi-frequency radiation may trigger apoptosis (cell death) in brain cells after prolonged exposure.
A 2017 study found that 2.45GHz radiation exposure reduced the number of dendritic branches and intersections in brain neurons. This structural damage to dendrites, which carry electrical signals between neurons, could impair neuronal communication and brain function.
Research demonstrates that rats exposed to 2.45GHz WiFi radiation for 4 hours daily over 45 days experienced significant memory decline in water maze tests. The study suggests that prolonged daily WiFi exposure may impair learning and memory formation in the brain.