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DNA & Genetic Damage

Genotoxic Potential of 1.6 GHz Wireless Communication Signal: In Vivo Two-Year Bioassay.

No Effects Found

Vijayalaxmi, Sasser LB, Morris JE, Wilson BW, Anderson LE. · 2003

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Two years of 1.6 GHz exposure showed no DNA damage in rat bone marrow at levels comparable to cell phone use.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant rats and their offspring to 1.6 GHz wireless signals (similar to cell phones) for two years, then examined their bone marrow cells for DNA damage. They found no difference in genetic damage between exposed rats and unexposed control rats, with damage rates around 5-6 micronuclei per 2,000 cells in all groups. This suggests that chronic exposure to these wireless signals at the tested levels did not cause detectable DNA damage in the bone marrow.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.60 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.60 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 1.6 GHz Duration: 2 h/day, 7 days/week

Study Details

The aim of this study is to investigate Genotoxic Potential of 1.6 GHz Wireless Communication Signal

Timed-pregnant Fischer 344 rats (from nineteenth day of gestation) and their nursing offspring (unti...

The results indicated that the incidence of micronuclei/2000 polychromatic erythrocytes were not sig...

Thus there was no evidence for excess genotoxicity in rats that were chronically exposed to 1.6 GHz compared to sham-exposed and cage controls.

Cite This Study
Vijayalaxmi, Sasser LB, Morris JE, Wilson BW, Anderson LE. (2003). Genotoxic Potential of 1.6 GHz Wireless Communication Signal: In Vivo Two-Year Bioassay. Radiat Res 159(4):558-564, 2003.
Show BibTeX
@article{vijayalaxmi_2003_genotoxic_potential_of_16_3473,
  author = {Vijayalaxmi and Sasser LB and Morris JE and Wilson BW and Anderson LE.},
  title = {Genotoxic Potential of 1.6 GHz Wireless Communication Signal: In Vivo Two-Year Bioassay.},
  year = {2003},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/12643801/},
}
PubMed: 12643801

Cited By (36 papers)

Quick Questions About This Study

A two-year study found no genetic damage in rats exposed to 1.6 GHz wireless signals. Researchers exposed pregnant rats and offspring to cell phone-like radiation, then examined bone marrow cells. DNA damage rates were identical between exposed and unexposed groups at around 5-6 micronuclei per 2,000 cells.
Rats were exposed to 1.6 GHz wireless radiation for two full years in this comprehensive DNA damage study. The research began with pregnant rats and continued through their offspring's development, representing chronic long-term exposure to test for potential genetic effects from wireless communication signals.
Researchers tested two SAR levels: 0.16 W/kg and 1.6 W/kg in rats exposed to 1.6 GHz radiation. Both exposure levels produced identical DNA damage rates compared to unexposed controls, with no significant differences in micronuclei formation in bone marrow cells across any group.
No evidence shows 1.6 GHz radiation damages bone marrow DNA in rats. A comprehensive two-year study found identical genetic damage rates between exposed and unexposed animals. Bone marrow cells from all groups showed similar micronuclei frequencies, indicating no excess DNA damage from wireless signal exposure.
The study used both sham-exposed rats and cage control rats as comparison groups, plus positive controls treated with mitomycin C. While the positive controls showed dramatically elevated DNA damage (38.2 micronuclei per 2,000 cells), all other groups remained at normal baseline levels around 5-6 micronuclei.