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doi:10.1136/jech.2010.115402 [View Author's abstract conclusions]

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Divan H et al, (December 2010) Cell phone use and behavioural problems in young children, J Epidemiol Community Health · 2010

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Children exposed to cell phones before and after birth showed 50% higher odds of behavioral problems at age 7.

Plain English Summary

Summary written for general audiences

Researchers analyzed 28,745 children from the Danish National Birth Cohort and found that children exposed to cell phones both before birth (through mother's use) and after birth had 50% higher odds of behavioral problems at age 7. This large-scale study replicated earlier findings, showing the association persists even when accounting for multiple other factors that could influence child behavior.

Why This Matters

This Danish study represents one of the most comprehensive examinations of EMF effects on child development, tracking nearly 29,000 children from pregnancy through age 7. What makes these findings particularly concerning is that they replicated earlier results in a completely separate group of children, strengthening the evidence that prenatal and early childhood EMF exposure may influence behavioral development. The 50% increase in behavioral problems among children with both prenatal and postnatal exposure is substantial and biologically plausible, given that developing nervous systems are more vulnerable to environmental influences. The reality is that today's children face far higher EMF exposures than those in this study, which examined children born in the early 2000s when cell phone use was less ubiquitous. Parents today carry smartphones constantly, often keeping them close to their bodies during pregnancy, while children begin using devices at increasingly younger ages. The science demonstrates a clear pattern: the earlier and more extensive the exposure, the greater the behavioral impact.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Divan H et al, (December 2010) Cell phone use and behavioural problems in young children, J Epidemiol Community Health (2010). doi:10.1136/jech.2010.115402 [View Author's abstract conclusions].
Show BibTeX
@article{doi101136jech2010115402_view_authors_abstract_conclusions_ce760,
  author = {Divan H et al and (December 2010) Cell phone use and behavioural problems in young children and J Epidemiol Community Health},
  title = {doi:10.1136/jech.2010.115402 [View Author's abstract conclusions]},
  year = {2010},
  doi = {10.1136/jech.2010.115402},
  
}

Quick Questions About This Study

The study analyzed 28,745 children from the Danish National Birth Cohort, making it one of the largest investigations of cell phone effects on child development and behavioral outcomes.
The study found increased behavioral difficulties at age 7, with the highest risk occurring when children had both prenatal exposure (mother's use during pregnancy) and postnatal exposure to cell phones.
Yes, timing matters significantly. Children with both prenatal and postnatal cell phone exposure showed the highest odds of behavioral problems, suggesting cumulative effects from early developmental exposure periods.
Yes, this study successfully replicated earlier findings in a completely separate group of nearly 29,000 children, strengthening evidence that cell phone exposure affects childhood behavioral development consistently.
No, the association between cell phone exposure and behavioral problems remained significant even after controlling for an extended set of potential confounding factors that could influence child behavior.