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Neuroprotective effects of melatonin and omega-3 on hippocampal cells prenatally exposed to 900 MHz electromagnetic fields

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Erdem Koç G, Kaplan S, Altun G, Gümüş H, Gülsüm Deniz Ö, Aydin I, Emin Onger M, Altunkaynak Z · 2016

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Prenatal cell phone radiation exposure reduced brain neurons in rat offspring, but melatonin and omega-3 supplements provided protection.

Plain English Summary

Summary written for general audiences

Pregnant rats exposed to cell phone radiation (900 MHz) for one hour daily had offspring with fewer brain cells in the hippocampus, the memory center. Melatonin and omega-3 supplements during pregnancy prevented this brain damage, suggesting potential protective strategies for human prenatal development.

Why This Matters

This study adds to growing evidence that EMF exposure during critical developmental windows can cause lasting neurological damage. The 900 MHz frequency and SAR level of 2 W/kg used here mirrors typical cell phone exposure, making these findings directly relevant to pregnant women who use mobile devices. What's particularly striking is that the researchers found protective effects from melatonin and omega-3 supplements, suggesting these compounds may help counteract EMF-induced oxidative stress in developing brains. The hippocampal damage observed here could translate to learning and memory problems later in life. While this was an animal study, the consistency with other research showing developmental vulnerabilities to EMF exposure should give pregnant women pause about their wireless device usage patterns.

Exposure Details

SAR
2 W/kg
Power Density
1 µW/m²
Source/Device
900 MHz
Exposure Duration
60 min/day from the 1st to the 21st day of gestation

Exposure Context

This study used 1 µW/m² for radio frequency:

This study used 2 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: 1 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the Slight Concern rangeFCC limit is 10,000,000x 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

Adverse effects on human health caused by electromagnetic fields (EMF) associated with the use of mobile phones, particularly among young people, are increasing all the time. The potential deleterious effects of EMF exposure resulting from mobile phones being used in close proximity to the brain require particular evaluation. However, only a limited number of studies have investigated the effects of prenatal exposure to EMF in the development of the pyramidal cells using melatonin (MEL) and omega-3 (ω-3).

We established seven groups of pregnant rats consisting of three animals each; control (CONT), SHAM,...

The total number of pyramidal cells in the cornu ammonis (CA) in the EMF group was significantly low...

MEL and ω-3 can protect the cell against neuronal damage in the hippocampus induced by 900 MHz EMF. However, further studies are now needed to evaluate the chronic effects of 900 MHz EMF on the brain in the prenatal period

Cite This Study
Erdem Koç G, Kaplan S, Altun G, Gümüş H, Gülsüm Deniz Ö, Aydin I, Emin Onger M, Altunkaynak Z (2016). Neuroprotective effects of melatonin and omega-3 on hippocampal cells prenatally exposed to 900 MHz electromagnetic fields Int J Radiat Biol 2016; 92 (10): 590-595.
Show BibTeX
@article{g_2016_neuroprotective_effects_of_melatonin_97,
  author = {Erdem Koç G and Kaplan S and Altun G and Gümüş H and Gülsüm Deniz Ö and Aydin I and Emin Onger M and Altunkaynak Z},
  title = {Neuroprotective effects of melatonin and omega-3 on hippocampal cells prenatally exposed to 900 MHz electromagnetic fields},
  year = {2016},
  doi = {10.1080/09553002.2016.1206223},
  url = {https://www.tandfonline.com/doi/abs/10.1080/09553002.2016.1206223},
}
DOI: 10.1080/09553002.2016.1206223

Cited By (41 papers)

Quick Questions About This Study

Research shows melatonin supplements during pregnancy can protect developing brain cells from 900 MHz cell phone radiation damage. In this 2016 study, pregnant rats taking melatonin had offspring with normal hippocampal brain cell counts despite daily EMF exposure, suggesting potential protective benefits for human prenatal development.
Yes, omega-3 supplements during pregnancy prevented hippocampal brain cell loss in offspring exposed to 900 MHz radiation. The study found that pregnant rats taking omega-3 had babies with normal pyramidal cell counts in memory centers, even after daily one-hour EMF exposure throughout pregnancy.
Daily one-hour exposure to 900 MHz radiation during pregnancy significantly reduced pyramidal cell numbers in the hippocampus memory center of offspring. The study found fewer total pyramidal cells in the cornu ammonis region compared to unexposed controls, though exact percentages weren't specified in results.
Research suggests both melatonin and omega-3 supplements during pregnancy may protect developing brains from 900 MHz cell phone radiation damage. A 2016 rat study showed these supplements prevented hippocampal cell loss in offspring, though human studies are needed to confirm protective effects.
No, one hour of daily 900 MHz exposure during pregnancy didn't affect overall brain or body weight in offspring. However, the radiation did reduce specific pyramidal cell numbers in the hippocampus memory region, showing that cellular damage can occur without changes in total brain mass.