Autonomous nervous system responses to environmental- level exposure to 5G’s first deployed band (3.5 GHz ) in healthy human volunteers

Plain English Summary

Summary written for general audiences

French researchers exposed 44 healthy young adults to 3.5 GHz 5G signals (1-2 V/m field strength) and measured nervous system responses through skin temperature and electrical activity. They found slight increases in head and neck temperature during exposure and faster physiological responses to sounds afterward, though effects remained within normal ranges.

Why This Matters

This rigorous triple-blind study provides some of the first controlled evidence that 5G's initial deployment frequency may trigger measurable physiological responses in humans. The 1-2 V/m exposure levels used here are entirely realistic - you'll encounter similar or higher field strengths when using a 5G phone or standing near a 5G cell tower. What's particularly noteworthy is that these effects occurred at environmental exposure levels, not the high-intensity exposures often used in lab studies. The researchers found autonomic nervous system changes, including temperature increases in the head and neck region where 5G antennas are typically positioned during phone use. While the authors appropriately note these changes fall within normal physiological ranges, the fact that any measurable response occurred at these everyday exposure levels deserves attention as 5G infrastructure rapidly expands worldwide.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study

Jamal,L., Michelant,L., Delanaud,S., Hugueville, L., Mazet, P., Lévêque, P., Baz, T., Bach, V., Selmaoui, B. (2024). Autonomous nervous system responses to environmental- level exposure to 5G’s first deployed band (3.5 GHz ) in healthy human volunteers.

Show BibTeX

@article{autonomous_nervous_system_responses_to_environmental_level_exposure_to_5gs_first_deployed_band_35_ghz_in_healthy_human_volunteers_ce3279,
  author = {Jamal andL. and Michelant andL. and Delanaud andS. and Hugueville and L. and Mazet and P. and Lévêque and P. and Baz and T. and Bach and V. and Selmaoui and B.},
  title = {Autonomous nervous system responses to environmental- level exposure to 5G’s first deployed band (3.5 GHz ) in healthy human volunteers},
  year = {2024},
  doi = {10.1113/EP092083},
  
}

DOI: 10.1113/EP092083 PubMed: 39404491

Quick Questions About This Study

Yes, this study found that exposure to 3.5 GHz 5G signals at 1-2 V/m field strength caused slight increases in head and neck temperature in 44 healthy volunteers during controlled laboratory testing.

Research shows that realistic 5G exposure levels (1-2 V/m) can modulate autonomic nervous system activity, causing faster physiological responses to auditory stimulation and temperature changes in exposed individuals.

The study used 3.5 GHz 5G signals with electrical field intensities ranging from 1 to 2 V/m, which represents environmental exposure levels you might encounter near 5G infrastructure.

Scientists used electrodermal activity monitoring and real-time skin temperature measurements at specific body points (hand, head, neck) during triple-blind exposure sessions with both real and sham conditions.

While the study detected measurable changes in temperature and electrodermal responses to 3.5 GHz exposure, the researchers noted these effects remained within normal physiological ranges for healthy individuals.