8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Influence of microwave exposure on chlordiazepoxide effects in the mouse staircase test.

Bioeffects Seen

Quock RM, Klauenberg BJ, Hurt WD, Merritt JH · 1994

View Original Abstract
Share:

Microwave radiation at 36 W/kg blocked anti-anxiety medication effects in mice, suggesting EMF exposure can interfere with brain medications.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to microwave radiation (1.8 or 4.7 GHz) while testing how well an anti-anxiety medication (chlordiazepoxide) worked. They found that high-intensity microwave exposure (36 W/kg) interfered with the drug's calming effects, essentially blocking the medication from working properly. This suggests that microwave radiation can disrupt how the nervous system processes certain medications.

Why This Matters

This study reveals a concerning interaction between microwave radiation and brain chemistry that goes beyond simple heating effects. The fact that EMF exposure can interfere with how anti-anxiety medications work suggests the radiation is directly affecting neurotransmitter systems in the brain. The exposure levels used (4-36 W/kg SAR) span from moderate to high intensity - for comparison, cell phones typically operate at SAR levels up to 2 W/kg. What this means for you is that EMF exposure may not just cause direct health effects, but could also interfere with medications you're taking. This adds another layer of complexity to EMF health risks that most people never consider.

Exposure Details

SAR
4, 12, and 36 W/kg
Source/Device
1.8 or 4.7 GHz
Exposure Duration
5-min

Exposure Context

This study used 4, 12, and 36 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: 4, 12, and 36 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 0x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 4.70 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 4.70 GHzPower lines50/60 HzCell phones~1 GHz5G mm28 GHzLogarithmic scale

Study Details

To ascertain whether behavioral effects of benzodiazepines are altered by exposure to microwave radiation, the authors compared the performance of male mice in the staircase test 30 min after pretreatment with chlordiazepoxide (CDP [8, 16, and 32 mg/kg]) and immediately following a 5-min exposure to microwave radiation (4, 12, and 36 W/kg, continuous wave, 1.8 or 4.7 GHz).

In this paradigm, CDP reduction in the number of rears (NR) and number of steps ascended (NSA) is po...

In sham-irradiated Ss, the 3 increasing doses of CDP increased NSA without affecting NR, increased N...

Cite This Study
Quock RM, Klauenberg BJ, Hurt WD, Merritt JH (1994). Influence of microwave exposure on chlordiazepoxide effects in the mouse staircase test. Pharmacol Biochem Behav 47(4):845-849, 1994.
Show BibTeX
@article{rm_1994_influence_of_microwave_exposure_1283,
  author = {Quock RM and Klauenberg BJ and Hurt WD and Merritt JH },
  title = {Influence of microwave exposure on chlordiazepoxide effects in the mouse staircase test.},
  year = {1994},
  
  url = {https://psycnet.apa.org/record/1994-36718-001},
}

Quick Questions About This Study

Yes, a 1994 study found that high-intensity microwave radiation at 36 W/kg completely blocked the calming effects of chlordiazepoxide, an anti-anxiety medication, in laboratory mice. The interference occurred specifically at 4.7 GHz frequency, suggesting microwave exposure can disrupt how the nervous system processes certain medications.
Research shows 4.7 GHz microwave radiation at 36 W/kg significantly interfered with chlordiazepoxide's anti-anxiety effects in mice. The study found that microwave exposure essentially reversed the medication's normal calming action, indicating these frequencies can alter how the brain processes pharmaceutical compounds.
A 1994 mouse study revealed that 36 W/kg microwave exposure at 4.7 GHz completely counteracted the anti-anxiety effects of chlordiazepoxide, a benzodiazepine medication. The microwave radiation blocked the drug's ability to reduce anxiety-like behaviors, suggesting potential medication interference concerns.
Research comparing these frequencies found that 4.7 GHz microwave radiation at high intensity (36 W/kg) significantly interfered with anti-anxiety medication effects, while the study tested both 1.8 and 4.7 GHz frequencies. The interference was most pronounced at the higher frequency when combined with chlordiazepoxide.
Yes, a 1994 study demonstrated that 36 W/kg microwave radiation at 4.7 GHz completely reversed chlordiazepoxide's anti-anxiety effects in mice. The microwave exposure prevented the medication from producing its normal calming effects, indicating direct interference with nervous system drug processing mechanisms.