Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.
Exposure to mobile phone electromagnetic fields and subjective symptoms: a double-blind study
Cinel C, Russo R, Boldini A, Fox E · 2008
View Original AbstractThis rigorous study of 496 people found no consistent evidence that 40-minute mobile phone exposures cause subjective symptoms.
Plain English Summary
Researchers tested whether 40-minute exposures to mobile phone radiation caused symptoms like headaches, dizziness, or fatigue in 496 volunteers using a double-blind design where neither participants nor researchers knew when real versus fake signals were used. They found no consistent evidence that phone radiation caused subjective symptoms, with only one isolated finding of increased dizziness in one group that wasn't replicated in the other test groups. The study suggests that acute mobile phone exposure doesn't reliably produce the symptoms some people report.
Why This Matters
This large, well-designed study provides important evidence in the ongoing debate about electromagnetic hypersensitivity and mobile phone symptoms. The researchers used rigorous double-blind methodology with nearly 500 participants and exposure levels (SAR 1.4-11.2 W/kg) that bracket typical phone use, which ranges from about 0.2 to 2.0 W/kg depending on your device and signal strength. The isolated dizziness finding in just one of three groups likely represents a statistical fluke rather than a real effect.
What this means for you: while this single study doesn't definitively rule out all symptom connections to EMF exposure, it adds to a body of research suggesting that acute phone use isn't the primary driver of the symptoms many people experience. The reality is that symptom attribution is complex, and factors like anxiety about technology, the nocebo effect, or other environmental triggers may play larger roles than the radiation itself.
Exposure Details
- SAR
- 1.4 and 11.2 W/kg
- Source/Device
- 888 MHz mobile phones
- Exposure Duration
- continuous for 40 min
Exposure Context
This study used 1.4 and 11.2 W/kg for SAR (device absorption):
- 3.5x above the Building Biology guideline of 0.4 W/kg
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
The objective of this study was to examine whether acute exposure to radio frequency electromagnetic fields (REFs) emitted by mobile phone may affect subjective symptoms
Three large groups of volunteers (total 496) were exposed to REFs emitted by mobile phones in one se...
For one group of participants (N = 160), it was found that dizziness was affected by GSM exposure, b...
We did not find consistent evidence suggesting that exposure to mobile phone REFs affect subjective symptoms. Even though we acknowledge that more research is needed, we believe that our results give an important contribution to the research on mobile phone use and subjective symptoms
Show BibTeX
@article{c_2008_exposure_to_mobile_phone_2741,
author = {Cinel C and Russo R and Boldini A and Fox E},
title = {Exposure to mobile phone electromagnetic fields and subjective symptoms: a double-blind study},
year = {2008},
url = {https://journals.lww.com/psychosomaticmedicine/Abstract/2008/04000/Exposure_to_Mobile_Phone_Electromagnetic_Fields.11.aspx},
}