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Oxidative Stress

Ginkgo biloba prevents mobile phone-induced oxidative stress in rat brain

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Ilhan A, Gurel A, Armutcu F, Kamisli S, Iraz M, Akyol O, Ozen S. · 2004

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Mobile phone radiation triggered brain cell damage in rats by overwhelming natural antioxidant defenses, but this damage was preventable with antioxidant treatment.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to cell phone radiation (900 MHz) for one hour daily over seven days, finding it caused brain cell damage through oxidative stress. Ginkgo biloba extract prevented this damage by protecting the brain's natural antioxidant systems, suggesting potential protection against phone radiation effects.

Why This Matters

This study adds to the growing body of evidence that radiofrequency radiation from mobile phones can trigger oxidative stress in brain tissue. The 900 MHz frequency used here is within the range of older 2G and 3G networks, though modern phones operate across multiple frequency bands. What makes this research particularly significant is that it demonstrates a clear biological mechanism - the disruption of antioxidant enzyme systems that normally protect cells from damage. The fact that Ginkgo biloba could prevent these effects suggests the damage isn't inevitable, but rather depends on the body's ability to neutralize harmful reactive oxygen species. While this doesn't prove that mobile phone use causes brain damage in humans, it does show that the radiation can trigger the same cellular stress pathways linked to neurological diseases. The reality is that your brain is constantly working to maintain its antioxidant defenses, and this study suggests that mobile phone radiation may be adding to that burden.

Exposure Information

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

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 MHz Duration: 7 days (1 h/day)

Study Details

we investigated the effect of Ginkgo biloba (Gb) on MP-induced oxidative damage in brain tissue of rats.

Rats (EMR+) were exposed to 900 MHz EMR from MP for 7 days (1 h/day). In the EMR+Gb groups, rats wer...

Oxidative damage was evident by the: (i) increase in malondialdehyde (MDA) and nitric oxide (NO) lev...

Reactive oxygen species may play a role in the mechanism that has been proposed to explain the biological side effects of MP, and Gb prevents the MP-induced oxidative stress to preserve antioxidant enzymes activity in brain tissue.

Cite This Study
Ilhan A, Gurel A, Armutcu F, Kamisli S, Iraz M, Akyol O, Ozen S. (2004). Ginkgo biloba prevents mobile phone-induced oxidative stress in rat brain Clin Chim Acta. 340(1-2): 153-162, 2004.
Show BibTeX
@article{a_2004_ginkgo_biloba_prevents_mobile_1649,
  author = {Ilhan A and Gurel A and Armutcu F and Kamisli S and Iraz M and Akyol O and Ozen S.},
  title = {Ginkgo biloba prevents mobile phone-induced oxidative stress in rat brain},
  year = {2004},
  
  url = {https://www.sciencedirect.com/science/article/abs/pii/S0009898103004704},
}

Quick Questions About This Study

Yes, ginkgo biloba extract prevented brain damage from 900 MHz cell phone radiation in rats. The herb protected the brain's natural antioxidant systems and prevented cellular injury that occurred after one hour daily exposure for seven days.
Research shows one hour daily exposure to 900 MHz cell phone radiation for seven days caused significant oxidative stress in rat brains, increasing harmful compounds like malondialdehyde while decreasing protective antioxidant enzymes like superoxide dismutase.
Cell phone radiation at 900 MHz significantly decreased two key brain antioxidants: superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px). These enzymes normally protect brain cells from oxidative damage but were depleted after seven days of exposure.
Yes, just seven days of one-hour daily 900 MHz cell phone radiation exposure caused measurable brain tissue damage in rats. Researchers observed both biochemical changes in oxidative stress markers and visible cellular injury under microscopic examination.
Cell phone radiation at 900 MHz increased two harmful brain enzymes: xanthine oxidase (XO) and adenosine deaminase (ADA). These enzymes contribute to oxidative stress and cellular damage, but ginkgo biloba treatment prevented these increases.