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Variations in amino acid neurotransmitters in some brain areas of adult and young male albino rats due to exposure to mobile phone radiation.

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Noor NA, Mohammed HS, Ahmed NA, Radwan NM · 2011

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Cell phone radiation disrupts brain neurotransmitter balance at typical usage levels, with young brains showing effects faster than adult brains.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to 900 MHz cell phone radiation daily and found significant disruptions in brain neurotransmitters (chemical messengers between brain cells). Both adult and young animals showed altered brain chemistry patterns across multiple brain regions, potentially explaining neurological symptoms some people experience from mobile phone use.

Why This Matters

This study demonstrates that cell phone radiation at levels comparable to everyday use can disrupt the delicate chemical balance in the brain. The SAR level of 1.165 W/kg falls within the range of typical mobile phone emissions, making these findings directly relevant to human exposure. What's particularly concerning is that the researchers found different vulnerability patterns between adult and young animals, with young brains showing disruption after just one month compared to four months in adults. The disruption of neurotransmitter balance affects everything from mood and cognition to motor control and sleep patterns. This research adds to the growing body of evidence showing that our brains respond to radiofrequency radiation in measurable ways, even at exposure levels regulators currently consider safe.

Exposure Details

SAR
1.165 W/kg
Power Density
0.02 µW/m²
Source/Device
900 MHz
Exposure Duration
1 h/day for up to 4 months

Exposure Context

This study used 0.02 µW/m² for radio frequency:

This study used 1.165 W/kg for SAR (device absorption):

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: 0.02 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the No Concern rangeFCC limit is 500,000,000x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

The present study aims to investigate the effect of one hour daily exposure to electromagnetic radiation (EMR) with frequency of 900 Mz (SAR 1.165 w/kg, power density 0.02 mW/cm2) on the levels of amino acid neurotransmitters in the midbrain, cerebellum and medulla of adult and young male albino rats.

Adult and young rats were divided into two main groups (treated and control). The treated group of b...

Data of the present study showed a significant increase in both excitatory and inhibitory amino acid...

The present changes in amino acid concentrations may underlie the reported adverse effects of using mobile phones.

Cite This Study
Noor NA, Mohammed HS, Ahmed NA, Radwan NM (2011). Variations in amino acid neurotransmitters in some brain areas of adult and young male albino rats due to exposure to mobile phone radiation. Eur Rev Med Pharmacol Sci. 15(7):729-742, 2011.
Show BibTeX
@article{na_2011_variations_in_amino_acid_161,
  author = {Noor NA and Mohammed HS and Ahmed NA and Radwan NM},
  title = {Variations in amino acid neurotransmitters in some brain areas of adult and young male albino rats due to exposure to mobile phone radiation.},
  year = {2011},
  
  url = {http://www.europeanreview.org/wp/wp-content/uploads/989.pdf},
}

Quick Questions About This Study

Yes, a 2011 study found that 900 MHz cell phone radiation significantly disrupted neurotransmitter levels in young rats' brains. Young animals showed decreased excitatory amino acids in the midbrain and entered a neurochemical inhibitory state after just one month of daily exposure, indicating heightened vulnerability during development.
Daily exposure to 900 MHz cell phone radiation significantly increases both excitatory and inhibitory amino acid neurotransmitters in the cerebellum of both adult and young rats. This disruption in brain chemistry balance occurred after just one hour of exposure, suggesting the cerebellum is particularly sensitive to mobile phone radiation.
Yes, 900 MHz EMF exposure creates neurochemical inhibition in the medulla brain region. Adult rats showed this inhibitory state after four months of exposure, while young rats experienced it after just one month due to significant decreases in glutamate and aspartate neurotransmitter levels.
Cell phone radiation at 900 MHz significantly affects GABA and glycine levels in adult rat midbrains. The study found glycine levels increased after one month of daily exposure, followed by significant GABA increases after four months, demonstrating progressive changes in inhibitory neurotransmitter systems over time.
A 2011 rat study suggests mobile phone radiation disrupts brain neurotransmitter chemistry across multiple brain regions. Researchers found significant alterations in amino acid neurotransmitters that serve as chemical messengers between brain cells, potentially explaining the neurological symptoms some people report from mobile phone use.