[Effects of low-intensity extremely high frequency electromagnetic radiation on chromatin structure of lymphoid cells in vivo and in vitro]
Gapeev AB, Lushnikov KV, Shumilina IuV, Sirota NP, Sadovnikov VB, Chemeris NK. · 2003
View Original AbstractTwenty minutes of 42 GHz radiation altered immune cell DNA structure within 3 hours at power levels similar to 5G exposure.
Plain English Summary
Researchers exposed mice to 42 GHz radiation (5G-like frequencies) for 20 minutes and found DNA changes in immune cells within 3 hours. Different immune organs showed opposite effects - some increased damage markers while others decreased them, suggesting complex immune system impacts.
Why This Matters
This study reveals something important about how millimeter wave radiation affects our immune systems at the cellular level. The 42 GHz frequency tested sits right in the range now being deployed for 5G networks, and the power density of 0.15 mW/cm² is well within levels people encounter near cell towers and wireless devices. What makes this research particularly significant is that it shows EMF exposure doesn't just cause random biological chaos - it triggers specific, measurable changes in DNA structure that vary by cell type and organ. The fact that these effects appeared within just 3 hours of a 20-minute exposure demonstrates how quickly our immune cells respond to electromagnetic fields. The researchers' conclusion that these immune changes involve nervous system pathways aligns with growing evidence that EMF effects work through multiple biological systems simultaneously, not just direct cellular damage.
Exposure Details
- Power Density
- 0.15 µW/m²
- Source/Device
- 42.0 GHz
- Exposure Duration
- 20 minutes
Exposure Context
This study used 0.15 µW/m² for radio frequency:
- 15Mx above the Building Biology guideline of 0.1 μW/m²
- 250Kx above the BioInitiative Report recommendation of 0.0006 μW/cm²
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 Details
The aim of this study is to investigate Effects of low-intensity extremely high frequency electromagnetic radiation on chromatin structure of lymphoid cells in vivo and in vitro
Using a comet assay technique, it was shown for the first time that low-intensity extremely high-fre...
In 3 hrs after single whole-body exposure of NMRI mice for 20 min at 42.0 GHz and 0.15 mW/cm2, an in...
We suggested that the effects of low-intensity EHF EMR on the immune system cells are realized with the participation of neuroendocrine and central nervous systems.
Show BibTeX
@article{ab_2003_effects_of_lowintensity_extremely_991,
author = {Gapeev AB and Lushnikov KV and Shumilina IuV and Sirota NP and Sadovnikov VB and Chemeris NK.},
title = {[Effects of low-intensity extremely high frequency electromagnetic radiation on chromatin structure of lymphoid cells in vivo and in vitro]},
year = {2003},
url = {https://pubmed.ncbi.nlm.nih.gov/12677665/},
}