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DNA & Genetic Damage

A preliminary study to assess possible chromosomal damage among users of digital mobile phones.

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Gadhia PK, Shah T, Mistry A, Pithawala M, Tamakuwala D. · 2003

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Mobile phone users showed significantly more chromosome damage than non-users, suggesting RF radiation may harm genetic material in cells.

Plain English Summary

Summary written for general audiences

Researchers examined blood cells from 24 mobile phone users who had used digital phones for at least 2 years, looking for chromosome damage compared to 24 non-users. They found significantly more broken and abnormal chromosomes in phone users, especially when combined with smoking and drinking, and when cells were exposed to additional chemical stress. This suggests that radiofrequency radiation from mobile phones may damage the genetic material in our cells.

Why This Matters

This early study provides important evidence that mobile phone radiation can damage chromosomes - the structures that carry our DNA. What makes this research particularly significant is that it found genetic damage even in healthy, non-smoking phone users, though the effects were amplified in smokers and drinkers. The study used phones operating at 890-960 MHz, frequencies still used by today's cellular networks. The researchers also tested cells with a known mutagen and found that phone users showed greater susceptibility to additional genetic damage, suggesting that RF exposure may weaken our cells' ability to maintain genetic integrity. While this was a small preliminary study, it adds to a growing body of evidence showing that the radiofrequency radiation we're exposed to daily may have biological consequences beyond just heating tissue.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

The aim of this study is to investigate A Preliminary Study to Assess Possible Chromosomal Damage Among Users of Digital Mobile Phones

In a preliminary study to examine possible lymphocyte chromosomal damage, we have tested two cytogen...

There was a significant increase (P < 0.05) in dicentric chromosomes among mobile users who were smo...

Although SCEs showed a significant increase among mobile users, no change in cell cycle progression was noted. The hematological picture showed only minor variations between mobile users and controls.

Cite This Study
Gadhia PK, Shah T, Mistry A, Pithawala M, Tamakuwala D. (2003). A preliminary study to assess possible chromosomal damage among users of digital mobile phones. Electromag Biol Med 22:149-159, 2003.
Show BibTeX
@article{pk_2003_a_preliminary_study_to_2093,
  author = {Gadhia PK and Shah T and Mistry A and Pithawala M and Tamakuwala D.},
  title = {A preliminary study to assess possible chromosomal damage among users of digital mobile phones.},
  year = {2003},
  doi = {10.1081/JBC-120024624},
  url = {https://www.tandfonline.com/doi/abs/10.1081/JBC-120024624},
}
DOI: 10.1081/JBC-120024624

Cited By (34 papers)

Quick Questions About This Study

Yes, a 2003 study found significantly more broken and abnormal chromosomes in blood cells from 24 digital mobile phone users compared to 24 non-users. The chromosome damage was especially pronounced in users who also smoked and drank alcohol.
Research shows mobile phone users who smoke and drink have significantly more chromosome damage than non-smoking, non-drinking users. The 2003 study found dicentric chromosomes increased most dramatically when mobile phone use combined with these lifestyle factors.
The 2003 Gadhia study examined users who had digital mobile phones for at least 2 years before testing their blood cells. All participants showing chromosome damage had used their phones for this minimum duration.
When researchers exposed blood cells to additional chemical stress (MMC treatment), mobile phone users showed significantly more dicentric and ring chromosomes compared to non-users. This suggests phone radiation may make cells more vulnerable to other damage.
Yes, the 2003 study found increased chromosome damage in mobile phone users but no changes in cell cycle progression. This means genetic damage can occur without disrupting how quickly cells divide and reproduce.