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Exposure to mobile phone electromagnetic field radiation, ringtone and vibration affects anxiety-like behaviour and oxidative stress biomarkers in albino wistar rats.

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Shehu A, Mohammed A, Magaji RA, Muhammad MS · 2016

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Mobile phone radiation increased anxiety and brain oxidative stress in rats after just 4 weeks of 10-minute daily exposure.

Plain English Summary

Summary written for general audiences

Nigerian researchers exposed rats to mobile phones for 4 weeks, testing different modes including silent, vibration, ringtone, or combined settings for 10 minutes daily. All exposed groups showed increased anxiety-like behavior compared to controls, while rats exposed to ringtones (with or without vibration) also showed reduced antioxidant enzyme activity in their brains. This suggests that mobile phone exposure affects both brain function and cellular stress responses, even when the phone isn't making noise.

Why This Matters

This study adds important evidence to our understanding of how mobile phone radiation affects brain function and cellular health. What makes this research particularly valuable is that it separated electromagnetic radiation effects from auditory stress, showing that the radiation itself produces measurable changes in anxiety behavior and oxidative stress markers. The 10-minute daily exposure used here is actually less than what many people experience with their phones, yet still produced significant effects after just 4 weeks. The finding that even silent mode exposure increased anxiety-like behavior suggests the electromagnetic fields themselves, not just the sounds or vibrations, are biologically active. This aligns with a growing body of research showing EMF exposure can trigger oxidative stress and affect neurological function at levels well below current safety guidelines.

Exposure Information

Specific exposure levels were not quantified in this study. Duration: 4 weeks

Study Details

Research on the effects of Mobile phone radio frequency emissions on biological systems has been focused on noise and vibrations as auditory stressors. This study investigated the potential effects of exposure to mobile phone electromagnetic field radiation, ringtone and vibration on anxiety-like behaviour and oxidative stress biomarkers in albino wistar rats.

Twenty five male wistar rats were randomly divided into five groups of 5 animals each: group I: expo...

Results obtained showed a significant decrease (P < 0.05) in open arm duration in all the experiment...

In conclusion, the results of the present study indicates that 4 weeks exposure to electromagnetic radiation, vibration, ringtone or both produced a significant effect on anxiety-like behavior and oxidative stress in young wistar rats.

Cite This Study
Shehu A, Mohammed A, Magaji RA, Muhammad MS (2016). Exposure to mobile phone electromagnetic field radiation, ringtone and vibration affects anxiety-like behaviour and oxidative stress biomarkers in albino wistar rats. Metab Brain Dis.2016 Apr;31(2):355-62.
Show BibTeX
@article{a_2016_exposure_to_mobile_phone_2589,
  author = {Shehu A and Mohammed A and Magaji RA and Muhammad MS},
  title = {Exposure to mobile phone electromagnetic field radiation, ringtone and vibration affects anxiety-like behaviour and oxidative stress biomarkers in albino wistar rats. },
  year = {2016},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/26546224/},
}
PubMed: 26546224

Cited By (31 papers)

Quick Questions About This Study

Yes, Nigerian researchers found that rats exposed to mobile phones for 4 weeks showed increased anxiety-like behavior regardless of mode - silent, vibration, ringtone, or combined settings. All exposed groups spent significantly less time in open areas compared to unexposed controls, indicating heightened anxiety responses.
Research shows that rats exposed to mobile phone ringtones (with or without vibration) for 4 weeks experienced significantly reduced catalase activity in their brains. Catalase is a key antioxidant enzyme that protects cells from oxidative damage, suggesting phones may compromise cellular defense mechanisms.
Nigerian researchers found that just 4 weeks of daily 10-minute mobile phone exposure was sufficient to produce significant anxiety-like behavioral changes in rats. This relatively short exposure period suggests that behavioral effects from electromagnetic radiation may develop more quickly than previously thought.
Yes, even silent mobile phones caused increased anxiety-like behavior in rats during a 4-week study. Researchers found that electromagnetic field exposure alone, without ringtones or vibration, was sufficient to produce significant behavioral changes compared to unexposed control groups.
According to Nigerian research, mobile phones with ringtones - either alone or combined with vibration - caused the most oxidative stress in rat brains. These settings significantly reduced catalase enzyme activity, while silent or vibration-only modes did not show the same antioxidant depletion effects.