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IMPACT OF HOUSEHOLD MICROWAVE OVEN NON-IONIZING RADIATION ON BLOOD PLASMA CORTISOL LEVELS IN RATS AND THEIR BEHAVIOR
Kh Dondoladze1, M Nikolaishvili1, T Museliani1
1I. Beritasvhili Center of Experimental Biomedicine, Department of Radiobiology; Iv. Javakhishvili Tbilisi State University, Medical Department, Tbilisi, Georgia.
Georgian Medical News
|November 1, 2020
Summary
Exposure to household microwave oven radiation increased rat body weight, altered activity levels, and elevated cortisol. Further research into non-ionizing radiation effects is warranted.
Area of Science:
- Environmental Health
- Toxicology
- Biophysics
Background:
- Electromagnetic waves, particularly non-ionizing radiation from household appliances, are known to have potential harmful effects on biological organisms.
- Household microwave ovens are a common source of non-ionizing radiation leakage, necessitating an investigation into their biological impact.
Purpose of the Study:
- To investigate the effects of non-ionizing radiation from household microwave ovens on rat body weight, emotional state, locomotor activity, and plasma cortisol levels.
- To assess the physiological and behavioral responses of Wistar rats exposed to controlled microwave radiation leakage.
Main Methods:
- Wistar rats were exposed to microwave radiation (727.24±84.55 Mw/m²) from a household microwave oven for 3 minutes, twice daily over 10 days.
- Body weight was measured before and after the exposure period.
- Emotional and locomotor activity were assessed using the open field test.
- Plasma cortisol levels were measured to determine stress responses.
Main Results:
- Rats exposed to microwave radiation exhibited a greater increase in body weight gain compared to the control group.
- The exposed group showed increased time spent in the center of the open field, more line crossings, and more stretch-attend postures, indicating altered activity and emotional states.
- Plasma cortisol levels were significantly elevated in the microwave radiation-exposed group compared to controls.
Conclusions:
- Exposure to non-ionizing radiation from household microwave ovens can lead to increased body weight, altered behavioral patterns, and elevated stress levels in rats.
- These findings highlight the need for further comprehensive studies on the health implications of household microwave oven non-ionizing radiation exposure.

