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

Effect of a single 30 min UMTS mobile phone-like exposure on the thermal pain threshold of young healthy volunteers.

Bioeffects Seen

Vecsei Z, Csathó A, Thuróczy G, Hernádi I. · 2013

View Original Abstract
Share:

Thirty minutes of cell phone-level radiation altered pain processing in healthy adults, disrupting normal nervous system responses.

Plain English Summary

Summary written for general audiences

Researchers exposed 20 healthy adults to cell phone radiation for 30 minutes, then tested pain sensitivity using heat on their fingers. The radiation reduced the body's normal ability to adapt to repeated pain, suggesting cell phone signals can interfere with nervous system pain processing.

Why This Matters

This study provides compelling evidence that radiofrequency radiation at levels typical of cell phone use can alter fundamental nervous system functions. The SAR level of 1.75 W/kg used here is well within the range of everyday cell phone exposure (most phones emit between 0.5-1.6 W/kg). What makes this particularly significant is that the researchers found changes in pain processing on the opposite side of the body from where the radiation was applied, suggesting the effects aren't just local heating but involve broader neurological changes. The fact that normal pain desensitization was disrupted indicates EMF exposure may interfere with the nervous system's ability to adapt to stimuli. While this was a single 30-minute exposure, it raises important questions about what chronic exposure might mean for pain sensitivity and neurological function. The research adds to a growing body of evidence showing that current safety standards, which only consider heating effects, may not adequately protect against biological impacts on the nervous system.

Exposure Details

SAR
1.75 W/kg
Exposure Duration
30 minutes

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 1.75 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the Slight Concern rangeFCC limit is 5,714,286x higher than this level

Study Details

In the present study, therefore, we tested the effects of third generation Universal Mobile Telecommunications System (UMTS) RF EMF exposure on the thermal pain threshold (TPT) measured on the surface of the fingers of 20 young adult volunteers.

The protocol was initially validated with a topical capsaicin treatment. The exposure time was 30 mi...

Compared to the control and sham conditions, the results provide evidence for intact TPT but a reduc...

The present results provide pioneering information about human pain sensation in relation to RF EMF exposure and thus may contribute to cover the existing gap between safety research and applied biomedical science targeting the potential biological effects of environmental RF EMFs.

Cite This Study
Vecsei Z, Csathó A, Thuróczy G, Hernádi I. (2013). Effect of a single 30 min UMTS mobile phone-like exposure on the thermal pain threshold of young healthy volunteers. Bioelectromagnetics. 2013 Jun 20. doi: 10.1002/bem.21801.
Show BibTeX
@article{z_2013_effect_of_a_single_1406,
  author = {Vecsei Z and Csathó A and Thuróczy G and Hernádi I.},
  title = {Effect of a single 30 min UMTS mobile phone-like exposure on the thermal pain threshold of young healthy volunteers.},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/23787775/},
}
PubMed: 23787775

Cited By (18 papers)

Quick Questions About This Study

Yes, a 2013 study found that 30 minutes of UMTS cell phone radiation reduced the body's normal ability to adapt to repeated heat pain on fingers. The exposure interfered with nervous system pain processing, though initial pain thresholds remained unchanged.
Research shows UMTS radiation impairs pain desensitization - your body's natural ability to become less sensitive to repeated painful stimuli. After 30 minutes of exposure, participants showed reduced adaptation to heat pain compared to control conditions.
Just 30 minutes of UMTS mobile phone-like exposure was sufficient to alter pain processing in healthy adults. The study found this brief exposure reduced normal pain desensitization effects, suggesting relatively quick nervous system changes.
UMTS radiation affected pain sensitivity on the opposite side of the body from exposure (contralateral side). Researchers found reduced pain desensitization only on fingers opposite to where the phone-like radiation was applied during the study.
UMTS exposure showed marginal decreases in overall pain ratings in one study, but this wasn't the main finding. The primary effect was reduced pain adaptation rather than changed pain thresholds, suggesting altered nervous system processing mechanisms.