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Electromagnetic fields produced by GSM cellular phones and heart rate variability

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Parazzini M, Ravazzani P, Tognola G, Thuróczy G, Molnar FB, Sacchettini A, Ardesi G, Mainardi LT · 2007

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The study found no statistically significant effect of GSM phone exposure on most heart rate variability parameters, though a weak interaction appeared around the sympathetic response to standing.

Plain English Summary

Summary written for general audiences

Researchers exposed 26 healthy young volunteers to 900 MHz GSM phone radiation and sham exposure in separate double-blind sessions. A rest-to-stand protocol assessed autonomic nervous system function during rest and after sympathetic activation. No statistically significant effect of EMF exposure was found on the main RR mean or most other heart rate variability parameters. A weak interaction between some time and frequency domain HRV parameters and RF exposure was observed around the sympathetic response to standing.

Why This Matters

Three-lead electrocardiograms were recorded during each session and RR series were extracted offline. Time domain and frequency domain heart rate variability parameters were calculated in every phase of the protocol and during different exposures.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 MHz (2 W) GSM

Study Details

The study was designed to assess cardiac regulatory mechanism in different autonomic nervous system (ANS) states during exposure to low‐intensity EMF.

In this study, 26 healthy young volunteers were submitted to 900 MHz (2 W) GSM cellular phone exposu...

The analysis of the data show there was no statistically significant effect due to EMF exposure both on main (i.e., RR mean) and most of the other HRV parameters. A weak interaction between some HRV parameters (i.e., SDNN, TINN, and triangular index in time domain and LF power in frequency domain analysis) and RF exposure was observed and this effect seems to be gathered around the sympathetic response to stand.

Cite This Study
Parazzini M, Ravazzani P, Tognola G, Thuróczy G, Molnar FB, Sacchettini A, Ardesi G, Mainardi LT (2007). Electromagnetic fields produced by GSM cellular phones and heart rate variability Bioelectromagnetics. 28(2):122-129, 2007.
Show BibTeX
@article{m_2007_electromagnetic_fields_produced_by_1525,
  author = {Parazzini M and Ravazzani P and Tognola G and Thuróczy G and Molnar FB and Sacchettini A and Ardesi G and Mainardi LT},
  title = {Electromagnetic fields produced by GSM cellular phones and heart rate variability},
  year = {2007},
  doi = {10.1002/bem.20275},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.20275},
}
DOI: 10.1002/bem.20275

Cited By (53 papers)

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Quick Questions About This Study

The study used a double-blind design with 26 healthy young volunteers exposed to 900 MHz GSM phone radiation and sham exposure in separate sessions at least 24 hours apart.
Volunteers were submitted to 900 MHz (2 W) GSM cellular phone exposure and to sham exposure in separate sessions.
No statistically significant effect of EMF exposure was found on the main RR mean or most other heart rate variability parameters, though a weak interaction appeared in some parameters around the sympathetic response to standing.
A rest-to-stand protocol evaluated autonomic nervous system function in quiet rest conditions and after sympathetic activation from standing.
Three-lead electrocardiograms were recorded and RR series extracted offline, with time and frequency domain heart rate variability parameters calculated throughout the protocol.