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DNA & Genetic Damage

Primary DNA Damage in Human Blood Lymphocytes Exposed In Vitro to 2450 MHz Radiofrequency Radiation.

No Effects Found

Vijayalaxmi, Leal BZ, Szilagyi M, Prihoda TJ, Meltz ML · 2000

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Human blood cells showed no DNA damage after 2-hour exposure to 2450 MHz radiation at cell phone-level intensity.

Plain English Summary

Summary written for general audiences

Researchers exposed human blood cells to microwave radiation at 2450 MHz (the same frequency used in microwave ovens and some WiFi devices) for 2 hours to see if it would damage DNA. They found no evidence of DNA breaks or damage in the cells, even when they checked again 4 hours later to see if the cells could repair any potential damage. This suggests that this specific type and level of radiofrequency exposure may not cause immediate DNA harm.

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

The study examined exposure from: 2450 MHz Duration: 2 hours

Study Details

The aim of this study is to observe Primary DNA Damage in Human Blood Lymphocytes Exposed In Vitro to 2450 MHz Radiofrequency Radiation.

Human peripheral blood samples collected from three healthy human volunteers were exposed in vitro t...

At either time, the data indicated no significant differences between RF-radiation- and sham-exposed...

Thus, under the experimental conditions tested, there is no evidence for induction of DNA single-strand breaks and alkali-labile lesions in human blood lymphocytes exposed in vitro to pulsed-wave 2450 MHz radiofrequency radiation, either immediately or at 4 h after exposure.

Cite This Study
Vijayalaxmi, Leal BZ, Szilagyi M, Prihoda TJ, Meltz ML (2000). Primary DNA Damage in Human Blood Lymphocytes Exposed In Vitro to 2450 MHz Radiofrequency Radiation. Radiat Res 153(4):479-486, 2000.
Show BibTeX
@article{vijayalaxmi_2000_primary_dna_damage_in_2933,
  author = {Vijayalaxmi and Leal BZ and Szilagyi M and Prihoda TJ and Meltz ML},
  title = {Primary DNA Damage in Human Blood Lymphocytes Exposed In Vitro to 2450 MHz Radiofrequency Radiation.},
  year = {2000},
  
  url = {https://meridian.allenpress.com/radiation-research/article-abstract/153/4/479/330436/Primary-DNA-Damage-in-Human-Blood-Lymphocytes},
}

Quick Questions About This Study

No, a 2000 study found no DNA damage in human blood lymphocytes exposed to 2450 MHz radiation for 2 hours. Researchers used the comet assay to detect DNA breaks and found no significant differences between exposed and unexposed cells, even 4 hours after exposure.
Research shows 2450 MHz radiation (microwave oven frequency) does not damage human white blood cells. A laboratory study exposed blood lymphocytes to this frequency for 2 hours and found no DNA strand breaks or cellular damage compared to unexposed control cells.
A 2-hour exposure to 2450 MHz radiation showed no DNA damage in human blood cells. Researchers checked immediately after exposure and again 4 hours later to allow time for potential delayed effects, but found no evidence of genetic damage at either timepoint.
Yes, pulsed 2450 MHz radiofrequency radiation caused no detectable DNA damage in human blood cells, while ionizing radiation produced significant cellular damage in the same study. This suggests microwave frequency radiation is much less harmful to genetic material than ionizing radiation.
No, 2450 MHz radiation (used in some WiFi devices) caused no immediate DNA breaks in human lymphocytes during laboratory testing. Researchers used sensitive comet assay techniques to detect single-strand DNA breaks but found no significant damage after 2-hour exposures.