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Abstract Title:

Effects of electromagnetic radiation exposure on stress-related behaviors and stress hormones in male wistar rats.

Abstract Source:

Biomol Ther (Seoul). 2014 Nov ;22(6):570-6. Epub 2014 Nov 30. PMID: 25489427

Abstract Author(s):

Seyed Mohammad Mahdavi, Hedayat Sahraei, Parichehreh Yaghmaei, Hassan Tavakoli

Article Affiliation:

Seyed Mohammad Mahdavi

Abstract:

Studies have demonstrated that electromagnetic waves, as the one of the most important physical factors, may alter cognitive and non-cognitive behaviors, depending on the frequency and energy. Moreover, non-ionizing radiation of low energy waves e.g. very low frequency waves could alter this phenomenon via alterations in neurotransmitters and neurohormones. In this study, short, medium, and long-term exposure to the extremely low frequency electromagnetic field (ELF-EMF) (1 and 5 Hz radiation) on behavioral, hormonal, and metabolic changes in male Wistar rats (250 g) were studied. In addition, changes in plasma concentrations for two main stress hormones, noradrenaline and adrenocorticotropic hormone (ACTH) were evaluated. ELF-EMF exposure did not alter body weight, and food and water intake. Plasma glucose level was increased and decreased in the groups which exposed to the 5 and 1Hz wave, respectively. Plasma ACTH concentration increased in both using frequencies, whereas nor-adrenaline concentration showed overall reduction. At last, numbers of rearing, sniffing, locomotor activity was increased in group receiving 5 Hz wave over the time. In conclusions, these data showed that the effects of 1 and 5 Hz on the hormonal, metabolic and stress-like behaviors may be different. Moreover, the influence of waves on stress system is depending on time of exposure.

Study Type : Animal Study

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