8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Oxidative Stress

Assessment of oxidant/antioxidant status in saliva of cell phone users

No Effects Found

Khalil AM, Abu Khadra KM, Aljaberi AM, Gagaa MH, Issa HS. · 2014

View Original Abstract
Share:

Short cell phone calls up to 30 minutes showed no detectable oxidative stress in saliva samples.

Plain English Summary

Summary written for general audiences

Researchers measured oxidative stress markers in saliva from people before, during, and after 15-30 minute cell phone calls to see if radiofrequency radiation causes cellular damage. They found no significant changes in any of the stress markers or antioxidant levels, suggesting that short-term phone use doesn't trigger detectable oxidative stress in saliva.

Study Details

The aim of this study was to examine the oxidant/antioxidant status in saliva of cell phone users

Saliva samples collected before using a cell phone as well as at the end of 15 and 30 min calls were...

The mean 8-oxo-dG and the Bradford protein concentrations (ng/ml and mg/ml, respectively) peaked at ...

These findings suggest that there is no relationship between exposure to radio frequency radiation (RFR) and changes in the salivary oxidant/antioxidant profile.

Cite This Study
Khalil AM, Abu Khadra KM, Aljaberi AM, Gagaa MH, Issa HS. (2014). Assessment of oxidant/antioxidant status in saliva of cell phone users Electromagn Biol Med. 33(2):92-97, 2014.
Show BibTeX
@article{am_2014_assessment_of_oxidantantioxidant_status_2880,
  author = {Khalil AM and Abu Khadra KM and Aljaberi AM and Gagaa MH and Issa HS.},
  title = {Assessment of oxidant/antioxidant status in saliva of cell phone users},
  year = {2014},
  doi = {10.3109/15368378.2013.783855},
  url = {https://www.tandfonline.com/doi/abs/10.3109/15368378.2013.783855},
}
DOI: 10.3109/15368378.2013.783855

Cited By (25 papers)

Quick Questions About This Study

No, a 2014 study found no significant changes in oxidative stress markers in saliva during 15-30 minute phone calls. Researchers measured multiple stress indicators before, during, and after calls but detected no harmful cellular damage from radiofrequency radiation exposure.
No, saliva testing cannot reliably detect cell phone radiation effects. The 2014 Khalil study measured 8-oxo-dG, MDA, and antioxidant levels in saliva during phone calls but found no statistically significant changes in any oxidative stress markers.
Phone radiation doesn't significantly affect antioxidant levels even after 30 minutes of talking. While researchers observed slight increases in some markers like ORAC and HORAC over time, these changes weren't statistically significant compared to baseline levels.
Saliva antioxidant tests don't show measurable changes from phone radiation exposure. The 2014 study tracked multiple antioxidant markers including HORAC and ORAC during phone calls but found no relationship between radiofrequency radiation and salivary oxidant profiles.
Radiofrequency radiation doesn't significantly alter protein concentrations in saliva. While Bradford protein levels peaked at 15 minutes during phone calls in the 2014 study, researchers concluded there was no meaningful relationship between radiation exposure and salivary protein changes.