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Effect of Short-term 900 MHz low level electromagnetic radiation exposure on blood serotonin and glutamate levels.

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Eris AH, Kiziltan HS, Meral I, Genc H, Trabzon M, Seyithanoglu H, Yagci B, Uysal O. · 2015

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Just 45 minutes of cell phone-level radiation exposure significantly altered brain chemistry in this study, raising questions about wireless devices' neurological effects.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to cell phone-level radiofrequency radiation (900 MHz) for just 45 minutes and measured changes in brain chemicals. They found that this brief exposure significantly increased blood serotonin levels, a neurotransmitter that affects mood and cognitive function. The researchers note this serotonin increase could potentially impact learning and memory abilities.

Why This Matters

This study adds to the growing body of evidence showing that radiofrequency radiation can affect brain chemistry at exposure levels comparable to cell phone use. The 608 mW/m² exposure used here falls within the range of what you might experience during a phone call held close to your head. What makes this research particularly noteworthy is that measurable neurochemical changes occurred after just 45 minutes of exposure. Serotonin plays crucial roles in mood regulation, sleep, and cognitive function, so alterations in its levels could have meaningful implications for brain health. While this was an animal study with a small sample size, it aligns with other research demonstrating that EMF exposure can influence neurotransmitter systems. The reality is that we're conducting a massive experiment on ourselves and our children with wireless technology, and studies like this suggest our brains are responding to these exposures in ways we're only beginning to understand.

Exposure Details

Electric Field
15.14 V/m
Source/Device
100 kHz FM modulation at 900 MHz
Exposure Duration
45 minutes

Exposure Context

This study used 15.14 V/m for electric fields:

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.

Study Details

The aim of this study is to investigate Effect of Short-term 900 MHz low level electromagnetic radiation exposure on blood serotonin and glutamate levels

Ten male Wistar Albino rats were anesthetized 30 min before the LLER exposure, 0.5 ml blood was take...

Plasma 5-HT and glutamate levels were measured by enzyme immunoassay (EIA) using commercial kits. It...

It was concluded that even a single 45 min of LLER exposure may produce an increase in 5-HT level without changing the blood glutamate level. Increased 5-HT level may lead to a retarded learning and a deficit in spatial memory (Tab. 2, Fig. 2, Ref. 24).

Cite This Study
Eris AH, Kiziltan HS, Meral I, Genc H, Trabzon M, Seyithanoglu H, Yagci B, Uysal O. (2015). Effect of Short-term 900 MHz low level electromagnetic radiation exposure on blood serotonin and glutamate levels. Bratisl Lek Listy. 116(2):101-103, 2015.
Show BibTeX
@article{ah_2015_effect_of_shortterm_900_961,
  author = {Eris AH and Kiziltan HS and Meral I and Genc H and Trabzon M and Seyithanoglu H and Yagci B and Uysal O.},
  title = {Effect of Short-term 900 MHz low level electromagnetic radiation exposure on blood serotonin and glutamate levels.},
  year = {2015},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/25665475/},
}

Quick Questions About This Study

Researchers exposed rats to cell phone-level radiofrequency radiation (900 MHz) for just 45 minutes and measured changes in brain chemicals. They found that this brief exposure significantly increased blood serotonin levels, a neurotransmitter that affects mood and cognitive function. The researchers note this serotonin increase could potentially impact learning and memory abilities.