Effects of extremely low frequency (ELF) and radio-frequency (RF) on melatonin and cortisol, two markers of the circadian rhythms

Abstract : Electromagnetic field (EMF) has becoming an integral part of our everyday life. It is a consequence of our intensive use of electricity and/or emerging technologies in mobile telecommunications. This exposure to EMF has raised questions about possible effects of the EMF on human health. It has become the object of debate and a public health concern. This has resulted in the classification of extremely low frequency (ELF)- and radiofrequency (RF)-EMF into category 2B, i.e., agents that are “possibly carcinogenic to humans” by the International Agency for Research on Cancer. It is known that cancer and neurobehavioral alterations may be associated with circadian rhythm disruption and/or effect on melatonin secretion. In addition, some Individuals living or working in an environmental exposed to EMF complain of a variety of adverse health effects. Troubled sleep and headache remain a recurrent and common symptom reported. So it is interesting to look at the EMF effect exposure on the circadian system. Since both melatonin and cortisol are major markers of the circadian system, we reviewed data from the literature on these two marker rhythms, in search of deleterious effects of EMF on both their blood levels and abnormalities in their circadian profiles (a phase-advance or a phase-delay) which would point out a rhythm desynchronization of the organism. Overall, to date no consistent evidence of the effect of exposure to RF on cortisol and melatonin. However, contradictory data are reported on ELF-EMF.
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Brahim Selmaoui. Effects of extremely low frequency (ELF) and radio-frequency (RF) on melatonin and cortisol, two markers of the circadian rhythms. 53. Congress of the European Societies of Toxicology (EUROTOX 2017), Sep 2017, Bratislava, Slovakia. pp.S31, ⟨10.1016/j.toxlet.2017.07.076⟩. ⟨ineris-01853533⟩

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