[Biological effects of non-ionizing electromagnetic radiation].
Since the mid 1970's, when Adey discovered that extremely-low-frequency electromagnetic field (ELF EMF) may affect the calcium ions efflux from various cells, bioeffects of non-ionizing radiation (NIR) have become the subject of growing interest and numerous research projects. At present, the fact that NIR exerts both stimulatory and inhibitory effects on different physiological cellular parameters is rather unquestionable. At the same time, some epidemiological studies suggest that exposure to EMF is potentially harmful even if its intensity is very low. It has been proved that thermal factors are not responsible for these effects, therefore nowadays, they are called 'non-thermal effects'. Our paper deals with three different aspects of biological effects of non-ionizing radiation, bioelectromagnetism, electromagnetobiology and electromagnetic bioinformation. Firstly, we describe how EMF and photons can be produced within a living cell, how biological cycles are controlled, and what are the features of endogenous electromagnetic radiation. Secondly, we discuss various facets of external EMF interactions with living matter, focusing on extremely-low-frequencies, radio- and microwaves. Possible mechanisms of these interactions are also mentioned. Finally, we present a short overview of current theories which explain how electromagnetic couplings may control an open and dissipative structure, namely the living organism. The theory of electromagnetic bioinformation seems to explain how different physiological processes are triggered and controlled, as well as how long-range interactions may possibly occur within the complex biological system. The review points out that the presented research data must be assessed very carefully since its evaluation is crucial to set the proper limits of EMF exposure, both occupational and environmental. The study of biological effects of non-ioinizing radiation may also contribute to the development of new diagnostic and therapeutic methods.
Fedorowski
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Zakładu Medycyny Rodzinnej, Akademii Medycznej we Wrocławiu.
Steciwko
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D000818:Animals; D001921:Brain / Q000528:radiation effects; D002477:Cells / Q000528:radiation effects; D002736:Chloroplasts / Q000528:radiation effects; D002940:Circadian Rhythm / Q000502:physiology; D004574:Electromagnetic Fields / Q000009:adverse effects; D006321:Heart / Q000528:radiation effects; D006801:Humans; D008099:Liver / Q000528:radiation effects; D008872:Microwaves; D011846:Radio Waves; D012098:Reproduction / Q000528:radiation effects
Biologiczne oddziaływanie niejonizujacego promieniowania elektromagnetycznego.