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Oxidative Stress

In vitro non-thermal oxidative stress response after 1800 MHz radiofrequency radiation.

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Marjanovic Cermak AM, Pavicic I, Tariba Lovakovic B, Pizent A, Trosic I · 2017

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Cell phone-level RF radiation triggered oxidative stress in cells within 10 minutes, showing biological effects occur at everyday exposure levels.

Plain English Summary

Summary written for general audiences

Scientists exposed cells to 1800 MHz radiation from cell phones for 10-60 minutes at typical usage levels. Even brief exposures triggered oxidative stress, where harmful molecules called free radicals increased faster than cells could neutralize them, indicating cellular damage pathways activated by phone radiation.

Why This Matters

This Croatian study adds important evidence to the growing body of research showing that RF radiation causes oxidative stress at non-thermal levels. The 1.6 W/kg SAR used here is within the range of typical cell phone exposures during calls, making these findings directly relevant to everyday use. What's particularly significant is that cellular stress responses occurred after just 10 minutes of exposure, suggesting that even brief phone conversations may trigger biological effects. The researchers observed what they called a 'transient oxidation-reduction imbalance' - essentially, the cells' defense systems were working overtime to cope with the RF exposure. While the cells adapted and survived, this kind of repeated oxidative stress over time is associated with various health problems including accelerated aging, inflammation, and increased disease risk.

Exposure Details

SAR
1.6 W/kg
Electric Field
30 V/m
Source/Device
1800 MHz
Exposure Duration
10, 30 and 60 minutes

Exposure Context

This study used 30 V/m for electric fields:

This study used 1.6 W/kg for SAR (device absorption):

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 Exposure Level in ContextStudy Exposure Level in ContextThis study: 1.6 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 1x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.80 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

In this study possible connection between radiofrequency exposure (RF) and development of oxidative stress was investigated by measuring impairment in cellular oxidation-reduction balance immediately after RF exposure

Fibroblast cells V79 were exposed for 10, 30 and 60 minutes to 1800 MHz RF radiation. Electric field...

Viability of V79 cells remained within normal physiological values regardless of exposure time. Incr...

Short-term RF exposure revealed transient oxidation-reduction imbalance in fibroblast cells following adaptation to applied experimental conditions

Cite This Study
Marjanovic Cermak AM, Pavicic I, Tariba Lovakovic B, Pizent A, Trosic I (2017). In vitro non-thermal oxidative stress response after 1800 MHz radiofrequency radiation. Gen Physiol Biophys. 36(4): 407-414, 2017.
Show BibTeX
@article{am_2017_in_vitro_nonthermal_oxidative_551,
  author = {Marjanovic Cermak AM and Pavicic I and Tariba Lovakovic B and Pizent A and Trosic I},
  title = {In vitro non-thermal oxidative stress response after 1800 MHz radiofrequency radiation.},
  year = {2017},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/28836500/},
}
PubMed: 28836500

Cited By (12 papers)

Quick Questions About This Study

A 2017 study found that just 10 minutes of 1800 MHz radiation exposure triggered oxidative stress in cells, increasing harmful free radicals and antioxidant responses. While cells remained viable, this indicates cellular defense systems activated to combat radiation-induced damage pathways.
Yes, researchers found that 60 minutes of 1800 MHz radiation significantly increased superoxide radicals in V79 fibroblast cells. Even shorter 10-minute exposures elevated glutathione levels, showing cells were responding to oxidative stress from typical cell phone usage levels.
Fibroblast cells experience transient oxidation-reduction imbalance when exposed to 1800 MHz radiation for 10-60 minutes. The 2017 study showed increased antioxidant activity and free radical production, though cells adapted to experimental conditions without permanent damage.
No, the 2017 study found no lipid oxidative damage in cells exposed to 1800 MHz radiation for up to 60 minutes. Despite triggering oxidative stress responses and free radical increases, the radiation did not cause detectable fat molecule damage in cellular membranes.
Cells respond within 10 minutes of 1800 MHz radiation exposure. The study detected significantly higher glutathione antioxidant levels immediately after brief exposure, with superoxide radical increases appearing after 60 minutes, showing rapid cellular stress responses to phone radiation.