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The effects of mobile phones on apoptosis in cerebral tissue: an experimental study on rats

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Yilmaz A, Yilmaz N, Serarslan Y, Aras M, Altas M, Ozgür T, Sefil F · 2014

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Mobile phone radiation at everyday use levels triggered increased cell death in rat brain tissue after just four weeks of exposure.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed rats to mobile phone radiation at levels similar to everyday phone use for 4 weeks, then examined brain tissue for signs of programmed cell death (apoptosis). The exposed rats showed significantly increased levels of proteins that trigger cell death compared to unexposed controls. This suggests that mobile phone radiation may cause brain cells to die prematurely, even at the low power levels typical of normal phone use.

Why This Matters

This study adds to mounting evidence that mobile phone radiation affects brain tissue at the cellular level. The researchers used realistic exposure conditions - attaching phones to rat ears and simulating actual calling patterns with SAR levels well within regulatory limits. What makes this particularly concerning is that the observed effects on apoptosis (programmed cell death) occurred at radiation levels you encounter during normal phone use. The science demonstrates that even brief, repeated exposures can trigger cellular stress responses in brain tissue. While we can't directly extrapolate from rat studies to humans, the biological mechanisms involved are fundamentally similar across mammals. This research reinforces why many scientists are calling for updated safety standards that account for biological effects, not just heating.

Exposure Details

SAR
0.005 to 0.288 & 0.004 to 0.029 W/kg
Source/Device
1900-2100 MHz Mobile phones
Exposure Duration
7 times a day during 5 minutes (3 seconds dialing mode, 4 minutes and 47 seconds of calling mode) for a four week period

Where This Falls on the Concern Scale

Study Exposure Level in ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in ContextThis study: 0.005 to 0.288 & 0.004 to 0.029 W/kgExtreme Concern0.1 W/kgFCC Limit1.6 W/kgEffects observed in the Slight Concern range (Building Biology)FCC limit is 400x higher than this exposure level

Study Details

Aim of this report was to investigate the effects of the mobile phones on the Bcl-2 gene and p53 proteins in rat brains.

In the study group of 10 rats; mobile phones that spread EMW at a frequency between 1900-2100 MHz a...

Immunohistopathological examinations revealed that the samples in the study group had more p53 and B...

Our results showed that the electro-magnetic waves emitted by the mobile phones may have effect on apoptosis. Besides, obtained data revealed that more realistic application of mobile phones during experiments is more important as expected.

Cite This Study
Yilmaz A, Yilmaz N, Serarslan Y, Aras M, Altas M, Ozgür T, Sefil F (2014). The effects of mobile phones on apoptosis in cerebral tissue: an experimental study on rats Eur Rev Med Pharmacol Sci. 18(7):992-1000, 2014.
Show BibTeX
@article{a_2014_the_effects_of_mobile_209,
  author = {Yilmaz A and Yilmaz N and Serarslan Y and Aras M and Altas M and Ozgür T and Sefil F},
  title = {The effects of mobile phones on apoptosis in cerebral tissue: an experimental study on rats},
  year = {2014},
  
  url = {http://www.europeanreview.org/wp/wp-content/uploads/992-1000.pdf},
}

Quick Questions About This Study

Turkish researchers exposed rats to mobile phone radiation at levels similar to everyday phone use for 4 weeks, then examined brain tissue for signs of programmed cell death (apoptosis). The exposed rats showed significantly increased levels of proteins that trigger cell death compared to unexposed controls. This suggests that mobile phone radiation may cause brain cells to die prematurely, even at the low power levels typical of normal phone use.