6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Blood-brain barrier disruption by continuous-wave radio frequency radiation

Bioeffects Seen

Sirav B, Seyhan N · 2009

View Original Abstract
Share:

Twenty minutes of 900 or 1,800 MHz continuous-wave radio frequency radiation increased blood-brain barrier permeability in male rats, but not in female rats.

Plain English Summary

Summary written for general audiences

Researchers investigated the effects of 900 and 1,800 MHz continuous-wave radio frequency radiation on blood-brain barrier permeability in rats. Twenty minutes of exposure at both frequencies increased blood-brain barrier permeability in male rats, while female rats showed no change. The researchers noted that the scientific evidence on radio frequency radiation safety or harm remains inconclusive.

Why This Matters

The study focused specifically on continuous-wave radio frequency radiation at 900 and 1,800 MHz. A notable finding was that the effect on blood-brain barrier permeability appeared only in male rats, with no change observed in female rats. The researchers called for more studies to demonstrate the effects of radio frequency radiation on blood-brain barrier permeability and the mechanisms of that breakdown.

Exposure Details

Power Density
12.8 mW/cm²
Source/Device
900 MHz
Exposure Duration
20 min
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

This study was designed to investigate the effects of 900 and 1,800 MHz Continuous Wave Radio Frequency Radiation (CW RFR) on the permeability of Blood Brain Barrier (BBB) of rats.

Results have shown that 20 min RFR exposure of 900 and 1,800 MHz induces an effect and increases the...

More studies are needed to demonstrate the effects of RFR on the permeability of BBB and the mechanisms of that breakdown.

Cite This Study
Sirav B, Seyhan N (2009). Blood-brain barrier disruption by continuous-wave radio frequency radiation Electromagn Biol Med. 28:215-222, 2009.
Show BibTeX
@article{b_2009_bloodbrain_barrier_disruption_by_182,
  author = {Sirav B and Seyhan N},
  title = {Blood-brain barrier disruption by continuous-wave radio frequency radiation},
  year = {2009},
  doi = {10.1080/15368370802608738},
  url = {https://www.tandfonline.com/doi/abs/10.1080/15368370802608738},
}
DOI: 10.1080/15368370802608738

Cited By (43 papers)

Quick Questions About This Study

The study tested 900 and 1,800 MHz continuous-wave radio frequency radiation.
Rats received 20 minutes of radio frequency radiation exposure.
Blood-brain barrier permeability increased in male rats, but there was no change in female rats.
The researchers stated that the scientific evidence on radio frequency radiation safety or harm remains inconclusive.
They called for more studies to demonstrate the effects of radio frequency radiation on blood-brain barrier permeability and the mechanisms of that breakdown.