900 MHz pulse-modulated radiofrequency radiation induces oxidative stress on heart, lung, testis and liver tissues
Esmekaya MA, Ozer C, Seyhan N · 2011
View Original AbstractTwenty minutes of daily cell phone-level radiation caused measurable oxidative damage across multiple organs in just three weeks.
Plain English Summary
Researchers exposed rats to cell phone radiation (900 MHz) for 20 minutes daily over three weeks. All major organs showed increased oxidative damage and reduced antioxidant protection compared to unexposed animals, suggesting brief daily mobile phone exposure may harm multiple body systems.
Why This Matters
This study adds important evidence to our understanding of how radiofrequency radiation affects cellular health across multiple organ systems. The researchers used a SAR level of 1.2 W/kg, which falls within the range of typical cell phone exposure during calls (most phones emit between 0.5-1.6 W/kg). What makes these findings particularly concerning is that oxidative stress is a fundamental mechanism underlying many chronic diseases, from cardiovascular problems to cancer. The fact that just 20 minutes of daily exposure for three weeks produced measurable damage in heart, lung, liver, and reproductive tissues suggests our current safety standards may not adequately protect against biological harm. The study's strength lies in its measurement of multiple biomarkers of oxidative damage, providing a comprehensive picture of how RF radiation disrupts cellular function at the molecular level.
Exposure Details
- SAR
- 1.2 W/kg
- Source/Device
- 900 MHz
- Exposure Duration
- 20 min/day for three weeks
Exposure Context
This study used 1.2 W/kg for SAR (device absorption):
- 3x 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
We aimed to investigate whether 900 MHz pulse-modulated radiofrequency (RF) fields induce oxidative damage on lung, heart and liver tissues.
We assessed oxidative damage by investigating lipid peroxidation (malondialdehyde, MDA), nitric oxid...
MDA and NOx levels were increased significantly in liver, lung, testis and heart tissues of the expo...
Results of our study showed that pulse-modulated RF radiation causes oxidative injury in liver, lung, testis and heart tissues mediated by lipid peroxidation, increased level of NOx and suppression of antioxidant defense mechanism
Show BibTeX
@article{ma_2011_900_mhz_pulsemodulated_radiofrequency_524,
author = {Esmekaya MA and Ozer C and Seyhan N},
title = {900 MHz pulse-modulated radiofrequency radiation induces oxidative stress on heart, lung, testis and liver tissues},
year = {2011},
url = {https://europepmc.org/article/med/21460416},
}