Impact of mobile phone-emitted non-ionizing electromagnetic radiation on parotid gland function: A comprehensive study

Abstract

Background and Objective

The rapid proliferation of mobile technology has intensified debates on the potential adverse effects of non-ionizing electromagnetic radiation (NIER) from mobile phones on various human organs and cells. This study aimed to evaluate the impact of mobile phone-emitted NIER on parotid gland function.

Methodology

This cross-sectional study included 104 student volunteers from the University campus, categorized based on their mobile phone usage and exposure duration. Saliva samples were collected from the dominant (test) and non-dominant (control) sides. Key metrics measured were salivary flow rate, pH, albumin, Ischemia-Modified Albumin (IMA), and the IMA/albumin ratio (IMAR). Data analysis was performed using one-way ANOVA and Fisher’s LSD multiple comparisons, with p ≤ 0.05 considered statistically significant.

Results

The salivary flow rate and pH were higher on both sides in all groups, correlating with increased mobile phone usage duration. Although albumin levels were lower on the dominant side, they increased with longer mobile phone use. Salivary IMA and IMAR were higher on the dominant side in subjects using mobile phones for ≤3 years compared to those using them for >3 years.

Interpretation and Conclusion

Consistent exposure to NIER and the heat generated by mobile phones adversely affects parotid gland function, as indicated by increased salivary flow rate, pH, and altered levels of albumin, IMA, and IMAR. Public health recommendations should encourage reducing long-duration conversations and using earphones to minimize NIER exposure. Further studies are needed to evaluate the long-term effects of NIER on parotid gland function.