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Subjective symptoms, sleeping problems, and cognitive performance in subjects living near mobile phone base stations.

Bioeffects Seen

Hutter HP, Moshammer H, Wallner P, Kundi M. · 2006

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Cell tower radiation caused headaches and cognitive changes at levels 20,000 times lower than current safety standards allow.

Plain English Summary

Summary written for general audiences

Researchers measured EMF exposure from cell phone towers in the bedrooms of 365 people living nearby and tested their health and thinking abilities. Even though the radiation levels were extremely low (far below safety guidelines), people closer to the towers reported more headaches and showed changes in mental performance. This suggests that even very weak EMF exposure from cell towers might affect how people feel and think.

Why This Matters

This Austrian study is particularly significant because it found health effects at extraordinarily low exposure levels - thousands of times below current safety standards. The average power density was just 0.02-0.05 mW/m2, which is roughly 20,000 times lower than what your cell phone produces when making a call. Yet researchers still documented a clear relationship between proximity to cell towers and headaches, plus subtle changes in cognitive performance. What makes this research especially credible is that the scientists controlled for the 'nocebo effect' - the possibility that people's fears about cell towers were causing their symptoms. Even after accounting for this psychological factor, the physical relationship between EMF exposure and health effects remained statistically significant. The reality is that if biological effects occur at these incredibly low levels, it challenges the fundamental assumptions underlying our current safety standards, which are based solely on heating effects.

Exposure Details

Power Density
0.000002, 0.000005, 0.00041 µW/m²

Exposure Context

This study used 0.000002, 0.000005, 0.00041 µW/m² for radio frequency:

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: 0.000002, 0.000005, 0.00041 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the No Concern rangeFCC limit is 5,000,000,000,000x higher than this level

Study Details

The aim of this study is to investigate Subjective symptoms, sleeping problems, and cognitive performance in subjects living near mobile phone base stations.

In a cross-sectional study of randomly selected inhabitants living in urban and rural areas for more...

Total HF-EMF and exposure related to mobile telecommunication were far below recommended levels (max...

Despite very low exposure to HF-EMF, effects on wellbeing and performance cannot be ruled out, as shown by recently obtained experimental results; however, mechanisms of action at these low levels are unknown.

Cite This Study
Hutter HP, Moshammer H, Wallner P, Kundi M. (2006). Subjective symptoms, sleeping problems, and cognitive performance in subjects living near mobile phone base stations. Occup Environ Med. 63(5):307-313, 2006.
Show BibTeX
@article{hp_2006_subjective_symptoms_sleeping_problems_1040,
  author = {Hutter HP and Moshammer H and Wallner P and Kundi M.},
  title = {Subjective symptoms, sleeping problems, and cognitive performance in subjects living near mobile phone base stations.},
  year = {2006},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/16621850/},
}
PubMed: 16621850

Cited By (288 papers)

View all 288 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, a 2006 study of 365 people living 20-600 meters from cell towers found that even extremely low EMF exposure (maximum 4.1 mW/m2, far below safety limits) was significantly linked to increased headaches and changes in mental performance.
Research shows mixed cognitive effects from cell tower proximity. People living closer to towers demonstrated increased perceptual speed but decreased accuracy on cognitive tests, even at very low EMF exposure levels below recommended safety guidelines.
The Hutter study measured average power densities of 0.05 mW/m2 in rural areas and 0.02 mW/m2 in urban areas near cell towers. These levels were far below safety recommendations, with maximum readings reaching only 4.1 mW/m2.
Yes, the study found that health symptoms, particularly headaches, showed a significant relationship to measured power density from cell towers. People living 24-600 meters away in rural areas and 20-250 meters in urban areas experienced varying exposure levels.
The 2006 research concluded that effects on wellbeing and performance cannot be ruled out even at very low EMF exposure levels. However, the mechanisms of action at these low levels remain unknown to scientists.