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Glucose administration attenuates spatial memory deficits induced by chronic low-power-density microwave exposure

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Lu Y, Xu S, He M, Chen C, Zhang L, Liu C, Chu F, Yu Z, Zhou Z, Zhong M. · 2012

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Glucose treatment reversed spatial memory deficits in rats exposed to chronic low-power-density microwave irradiation.

Plain English Summary

Summary written for general audiences

Researchers exposed Wistar rats to 2.45 GHz pulsed microwave irradiation at a power density of 1 mW/cm2 for 3 hours per day for up to 30 days. Microwave exposure induced spatial learning and memory impairments in rats, and reduced hippocampal glucose uptake in the absence or presence of insulin. Blood glucose and insulin levels were not affected, but spatial memory deficits were reversed by systemic glucose treatment.

Why This Matters

The study investigated whether glucose treatment could attenuate memory deficits caused by chronic low-power-density microwave exposure. The researchers also examined the effect of microwave exposure on hippocampal glucose uptake. The results suggest that reduced hippocampal glucose uptake may be associated with cognitive impairment caused by microwave exposure.

Exposure Details

SAR
0.2 and 0.7 W/kg
Power Density
1 mW/cm²
Source/Device
2.45 GHz
Exposure Duration
continuous for 3 h/day on 30 days

Exposure Context

This study used 1 mW/cm² for radio frequency:

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 mW/cm²Extreme Concern - 1,000 µW/m²FCC Limit - 10M µW/m²Effects observed in the Extreme Concern range (Building Biology)This level is 1 times the FCC limit
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

In the present study, we investigated whether glucose treatment attenuated memory deficits caused by chronic low-power-density microwave (MW) exposure, and the effect of MW exposure on hippocampal glucose uptake.

We exposed Wistar rats to 2.45 GHz pulsed MW irradiation at a power density of 1 mW/cm2 for 3 h/day,...

Our results indicate that glucose administration attenuates the spatial memory deficits induced by c...

Cite This Study
Lu Y, Xu S, He M, Chen C, Zhang L, Liu C, Chu F, Yu Z, Zhou Z, Zhong M. (2012). Glucose administration attenuates spatial memory deficits induced by chronic low-power-density microwave exposure Physiol Behav. 106(5):631-637, 2012.
Show BibTeX
@article{y_2012_glucose_administration_attenuates_spatial_132,
  author = {Lu Y and Xu S and He M and Chen C and Zhang L and Liu C and Chu F and Yu Z and Zhou Z and Zhong M.},
  title = {Glucose administration attenuates spatial memory deficits induced by chronic low-power-density microwave exposure},
  year = {2012},
  
  url = {https://www.sciencedirect.com/science/article/abs/pii/S0031938412001680},
}

Quick Questions About This Study

Rats were exposed to 2.45 GHz pulsed microwave irradiation at a power density of 1 mW/cm2 for 3 hours per day for up to 30 days.
The levels of blood glucose and insulin were not affected by microwave exposure.
Spatial memory deficits induced by microwave exposure were reversed by systemic glucose treatment.
Hippocampal glucose uptake was reduced by microwave exposure in the absence or presence of insulin.
Reduced hippocampal glucose uptake may be associated with cognitive impairment caused by microwave exposure.