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Exposure to wireless phone emissions and serum beta-trace protein.

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Hardell L, Söderqvist F, Carlberg M, Zetterberg H, Mild KH. · 2010

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Longer wireless phone use correlated with lower levels of the brain's key sleep-promoting protein, offering biological evidence for EMF sleep disruption.

Plain English Summary

Summary written for general audiences

Researchers measured beta-trace protein, a key enzyme that produces the brain's natural sleep hormone, in 62 young adults who used wireless phones. They found that people who had used wireless phones longer had lower levels of this sleep-promoting protein in their blood. This provides a potential biological explanation for why some people experience sleep problems when exposed to cell phone radiation.

Why This Matters

This study offers compelling biological evidence for one of the most commonly reported effects of EMF exposure: disrupted sleep. Beta-trace protein is crucial for producing prostaglandin D2, your brain's primary sleep-promoting hormone. The fact that longer-term wireless phone users showed measurably lower levels of this protein suggests a direct pathway by which RF radiation could interfere with natural sleep processes. What makes this research particularly significant is that it moves beyond simply documenting sleep complaints to identifying a specific biological mechanism. The 890-MHz GSM signal used in this study is comparable to what your cell phone emits during calls. While the researchers appropriately note limitations with self-reported phone use data, the biological relationship they've identified aligns with decades of user reports about sleep disturbances near wireless devices.

Exposure Information

Specific exposure levels were not quantified in this study. The study examined exposure from: 890-MHz GSM Duration: 30 minutes

Study Details

We studied the concentration of beta-trace protein in blood in relation to emissions from wireless phones.

This study included 62 persons aged 18-30 years

The concentration of beta-trace protein decreased with increasing number of years of use of a wirele...

The results must be interpreted with caution since use of mobile and cordless phones were self-reported. Awareness of exposure condition in the experimental study may have influenced beta-trace protein concentrations.

Cite This Study
Hardell L, Söderqvist F, Carlberg M, Zetterberg H, Mild KH. (2010). Exposure to wireless phone emissions and serum beta-trace protein. Int J Mol Med. 26(2):301-306, 2010.
Show BibTeX
@article{l_2010_exposure_to_wireless_phone_2176,
  author = {Hardell L and Söderqvist F and Carlberg M and Zetterberg H and Mild KH.},
  title = {Exposure to wireless phone emissions and serum beta-trace protein.},
  year = {2010},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/20596612/},
}

Quick Questions About This Study

Researchers measured beta-trace protein, a key enzyme that produces the brain's natural sleep hormone, in 62 young adults who used wireless phones. They found that people who had used wireless phones longer had lower levels of this sleep-promoting protein in their blood. This provides a potential biological explanation for why some people experience sleep problems when exposed to cell phone radiation.