8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Exposure to radio-frequency electromagnetic fields and behavioural problems in Bavarian children and adolescents.

Bioeffects Seen

Thomas S, Heinrich S, von Kries R, Radon K · 2010

View Original Abstract
Share:

Adolescents with highest everyday RF exposure showed double the behavioral problems, even at levels far below safety limits.

Plain English Summary

Summary written for general audiences

German researchers studied over 3,000 children and teens, measuring their actual radiofrequency EMF exposure from cell towers and wireless networks over 24 hours using personal dosimeters. They found that adolescents with the highest RF exposure levels were more than twice as likely to show behavioral problems, particularly conduct issues like aggression or rule-breaking. The exposure levels were well below safety limits, suggesting behavioral effects may occur at everyday environmental levels.

Why This Matters

This study stands out because it used personal dosimeters to measure actual RF exposure rather than relying on estimates or proximity to cell towers. The reality is that even at exposure levels far below regulatory limits, researchers documented significant behavioral changes in adolescents. The 2.2-fold increase in overall behavioral problems and nearly 4-fold increase in conduct problems represents substantial effects that warrant serious attention. What makes this particularly concerning is that we're talking about everyday environmental exposures from the wireless infrastructure that surrounds us. While the researchers appropriately call for more studies, the evidence demonstrates measurable neurological impacts in developing brains at real-world exposure levels. You don't have to wait for perfect certainty to take reasonable precautions, especially when it comes to children's developing nervous systems.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

We aimed to investigate a possible association between measured exposure to RF EMF fields and behavioural problems in children and adolescents.

1,498 children and 1,524 adolescents were randomly selected from the population registries of four B...

Seven percent of the children and 5% of the adolescents showed an abnormal mental behaviour. In the ...

As this is one of the first studies that investigated an association between exposure to mobile telecommunication networks and mental health behaviour more studies using personal dosimetry are warranted to confirm these findings.

Cite This Study
Thomas S, Heinrich S, von Kries R, Radon K (2010). Exposure to radio-frequency electromagnetic fields and behavioural problems in Bavarian children and adolescents. Eur J Epidemiol. 25(2):135-141, 2010b.
Show BibTeX
@article{s_2010_exposure_to_radiofrequency_electromagnetic_1538,
  author = {Thomas S and Heinrich S and von Kries R and Radon K},
  title = {Exposure to radio-frequency electromagnetic fields and behavioural problems in Bavarian children and adolescents.},
  year = {2010},
  
  url = {https://link.springer.com/article/10.1007%2Fs10654-009-9408-x},
}

Quick Questions About This Study

German researchers found that adolescents with the highest radiofrequency exposure from cell towers and wireless networks were more than twice as likely to show behavioral problems. The study measured actual exposure levels in over 3,000 children using personal dosimeters for 24 hours.
A 2010 Bavarian study found children with higher environmental radiofrequency exposure were nearly three times more likely to show conduct problems like aggression or rule-breaking. The effects occurred at exposure levels well below current safety limits.
Researchers used personal dosimeters to measure actual radiofrequency exposure from cell towers and wireless networks over 24 hours. This direct measurement approach provided more accurate exposure data than previous studies that relied on distance estimates from cell towers.
Seven percent of children and 5% of adolescents showed abnormal mental behavior in the German study. The behavioral problems were strongly associated with higher radiofrequency exposure levels, particularly conduct issues like aggression and rule-breaking behaviors.
The Bavarian study found behavioral problems in children at radiofrequency exposure levels well below current safety limits. This suggests existing regulations may not protect against all potential health effects, particularly behavioral changes in developing brains.