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DNA & Genetic Damage

Effect of 910-MHz electromagnetic field on rat bone marrow.

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Demsia G, Vlastos D, Matthopoulos DP. · 2004

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Daily cell phone frequency exposure tripled genetic damage markers in rat bone marrow, suggesting RF radiation may harm blood-forming cells.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to 910-MHz radiofrequency radiation (similar to cell phone frequencies) for 2 hours daily over 30 days and examined their bone marrow for genetic damage. They found a nearly threefold increase in micronuclei, which are markers of DNA damage and chromosome breaks, in the exposed animals compared to controls. This suggests that prolonged RF exposure at cell phone frequencies may cause genetic damage in blood-forming cells.

Why This Matters

This study adds to the growing body of evidence that radiofrequency radiation can cause genetic damage at the cellular level. The 910-MHz frequency tested falls squarely within the range used by mobile phones and wireless devices, making these findings directly relevant to human exposure. What makes this research particularly significant is that it examined bone marrow, where blood cells are produced. Genetic damage in these cells could potentially affect the entire circulatory and immune systems. The researchers found that male rats showed greater sensitivity than females, which aligns with other studies suggesting sex-based differences in EMF susceptibility. While the specific power levels weren't reported, the consistent daily exposure pattern mirrors how we actually use wireless devices. The science demonstrates that RF radiation isn't as biologically inert as regulatory agencies assume.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 910 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 910 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 910-MHz Duration: 2 h over a period of 30 consecutive days

Study Details

Aiming to investigate the possibility of electromagnetic fields (EMF) developed by nonionizing radiation to be a noxious agent capable of inducing genotoxicity to humans, in the current study we have investigated the effect of 910-MHz EMF in rat bone marrow.

Rats were exposed daily for 2 h over a period of 30 consecutive days. Studying bone marrow smears fr...

we observed an almost threefold increase of micronuclei (MN) in polychromatic erythrocytes (PCEs) af...

The results indicate that 910-MHz EMF could be considered as a noxious agent capable of producing genotoxic effects.

Cite This Study
Demsia G, Vlastos D, Matthopoulos DP. (2004). Effect of 910-MHz electromagnetic field on rat bone marrow. ScientificWorldJournal. 4 Suppl 2:48-54, 2004.
Show BibTeX
@article{g_2004_effect_of_910mhz_electromagnetic_2027,
  author = {Demsia G and Vlastos D and Matthopoulos DP.},
  title = {Effect of 910-MHz electromagnetic field on rat bone marrow.},
  year = {2004},
  
  url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5956425/},
}

Quick Questions About This Study

Yes, a 2004 study found that 910 MHz radiation (similar to cell phone frequencies) caused nearly three times more genetic damage in rat bone marrow cells. Researchers exposed rats for 2 hours daily over 30 days and observed significant increases in micronuclei, which indicate DNA damage and chromosome breaks.
Research shows genetic damage can occur after 30 days of daily exposure. A study exposing rats to 910 MHz radiation for 2 hours per day found nearly threefold increases in DNA damage markers in bone marrow cells that produce blood, suggesting cumulative effects over weeks of exposure.
Yes, according to 910 MHz radiation research on bone marrow. The study found that male rats showed greater increases in micronuclei (DNA damage markers) compared to female rats after identical exposure periods, suggesting sex-based differences in sensitivity to radiofrequency radiation effects.
Micronuclei are small fragments that form when chromosomes break during cell division, serving as markers of genetic damage. In 910 MHz radiation studies, researchers found nearly three times more micronuclei in exposed rat bone marrow cells, indicating significant DNA damage from radiofrequency exposure.
Research suggests yes. A study using 910 MHz radiation (cell phone frequency) for 2 hours daily over 30 days found nearly threefold increases in genetic damage markers in rat bone marrow. The researchers concluded this frequency could be considered a harmful agent capable of causing genetic effects.