Systematic review on the biological effects of electric, magnetic and electromagnetic fields in the intermediate frequency range (300 Hz to 1 MHz)

Bodewein, Lambert; Schmiedchen, Kristina; Dechent, Dagmar; Stunder, Dominik; Graefrath, David; Winter, Lukas; Kraus, Thomas; Drießen, Sarah

doi:10.1016/j.envres.2019.01.015

Cited by 65 publications

(56 citation statements)

References 70 publications

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“…The internal validity (i.e., the degree to which the design, conduct, and analysis of a study avoid bias) and the overall risk-of-bias of the included studies was assessed by using the approach recommended by the NTP's Office of Health Assessment and Translation (OHAT) [33,35]. The same rating tool was used in our previously published systematic reviews [30,31,36]. The OHAT risk-of-bias rating tool consists of a set of questions and provides detailed instructions on how to evaluate methodological rigor in human and animal studies with a focus on environmental health and toxicology.…”

Section: Study Appraisalmentioning

confidence: 99%

Biological and health-related effects of weak static magnetic fields (≤ 1 mT) in humans and vertebrates: A systematic review

et al. 2020

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Background There is a rapid development in technologies that generate weak static magnetic fields (SMF) including high-voltage direct current (HVDC) lines, systems operating with batteries, such as electric cars, and devices using permanent magnets. However, few reviews on the effects of such fields on biological systems have been prepared and none of these evaluations have had a particular focus on weak SMF (� 1 mT). The aim of this review was to systematically analyze and evaluate possible effects of weak SMF (� 1 mT) on biological functioning and to provide an update on the current state of research. Methods This review was prepared in accordance with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement. Methodological limitations in individual studies were assessed using the Office of Health Assessment and Translation (OHAT) Risk-of-Bias Rating Tool. Results Eleven studies fulfilled the eligibility criteria and were included in this review. All included studies were experimental animal studies as no human studies were among the eligible articles. Eight of the eleven studies reported responses of rat, rabbits and quails to weak SMF exposure that were expressed as altered melatonin biosynthesis, reduced locomotor activity, altered vasomotion and blood pressure, transient changes in blood pressure-related biochemical parameters, or in the level of neurotransmitters and increases in enzyme activities. It remained largely unclear from the interpretation of the results whether the reported effects in the evaluated studies were beneficial or detrimental for health. Conclusion The available evidence from the literature reviewed is not sufficient to draw a conclusion for biological and health-related effects of exposure to weak SMF. There was a lack of

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Section: Study Appraisalmentioning

confidence: 99%

Biological and health-related effects of weak static magnetic fields (≤ 1 mT) in humans and vertebrates: A systematic review

et al. 2020

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“…Mnoge nove tehnologije, kao što su bežični prenos snage ili indukcioni kućni štednjaci, proizvode električna polja (EF -Electric Field), magnetna polja (MF -Magnetic Field) ili elektromagnetna polja u opsegu srednjih frekvencija (300 do 3000 kHz). Međutim, efekti takvih polja na biološke sisteme su, uprkos pojačanom interesovanju naučne zajednice, još uvek nedovoljno istraženi i kontroverzni [1]. Široko su rasprostranjeni zabrinutost i spekulacije u pogledu emisije radio frekvencija i elektromagnetnih polja (RF-EMF -Radiofrequency Electromagnetic Field) od strane telekomunikacionih baznih stanica i struktura, jer se neke od njih smatraju nesigurnim i opasnim za javno zdravlje.…”

Section: Uvodunclassified

“…Zbog velike heterogenosti u dizajnu studija, ishoda i izloženosti sistema, kao i nedoslednih rezultata i metodičkih ograničenja u mnogim studijama, Bodewein i sar. u [1] smatraju da kvalitet dokaza za neželjene efekte ostaje nedovoljan za donošenje konačnog zaključka o istraživanim biološkim efektima EMF polja. Smatraju da u budućim istraživanjima efekti EF, MF i EMF treba da se istraže sistematičnije, tj.…”

Section: Diskusija I Zaključakunclassified

“…Bodewein i sar. u [1] takođe preporučuju da sve nove studije treba da imaju za cilj implementaciju visokokvalitetne dozimetrije i minimiziranje izvora opasnosti od pristrasnosti. U svetlu napretka naučnih istraživanja koja se odnose na povezanost trajanja izloženosti zračenju mobilnih telefona i ekrana sa dugotrajnim rizikom od pojave raka, a koja je ustanovljena epidemiološkim i toksikološkim studijama, sadašnji dokazi su dovoljno jaki da se pređe sa nivoa predostrožnosti na nivo sprečavanja poznatih rizika.…”

Section: Diskusija I Zaključakunclassified

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Efekat dejstva elektromagnetnog zračenja bežičnih mreža i mobilnih telefona na zdravlje ljudi

Spasić¹,

Spasić²,

Tomašević³

2019

Proceedings of the International Scientific Conference - Sinteza 2019

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U radu su predstavljena najnovija istraživanja uticaja elektromagnetnih zračenja, prouzrokovanih masovnom primenom bežičnih digitalnih elektronskih uređaja, na zdravlje ljudi i životnu sredinu. Ukazano je na potencijalan uticaj 5G mreža, mobilnih telefona, baznih stanica i poboljšanih bežičnih telefona na učestalost pojave malignih i nemalignih tumora na mozgu, kognitivnih i drugih poremećaja kod ljudi. Ukazano je i na aktivnosti raznih međunarodnih tela koja pokušavaju da uspostave zakonsku regulativu u ovoj oblasti. S obzirom da se na osnovu do sada dobijenih rezultata ne može sa pouzdanošću dokazati da li nove tehnologije donose više koristi ili štete ljudima i životnoj sredini, došlo je do polarizacije stručne javnosti u svetu po ovim pitanjima. Danas su sa jedne strane industrijski konzorcijumi koji ulažu velika sredstva u razvoj novih tehnologija, a sa druge strane oni koji osporavaju opravdanost ulaganja koja potencijalno ugrožavaju zdravlje ljudi.

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“…The magnetic field has different effects on the cell wall transport mechanism of gram-positive and gram-negative bacteria 7 . However, the impact of magnetic fields on biological systems has been poorly studied 8 .…”

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confidence: 99%

Effects of an external magnetic field on microbial functional genes and metabolism of activated sludge based on metagenomic sequencing

Geng

Chen

et al. 2020

Sci Rep

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This study explored the effect of 70-mT magnetic field on wastewater treatment capacity for activated sludge in long-term laboratory-scale experiments. Metagenomic sequencing were conducted based on Illumina HiSeq 2000 platform after DNA extraction of the activated sludge. Then the effect of the magnetic field on the microbial unigene and metabolic pathways in activated sludge was investigated. As a result, higher pollutant removal was observed at 70 mT, with which the elimination of total nitrogen (TN) was the most effective. Functional genes annotated based on eggNOG database showed that unigenes related to information storage and processing were enhanced by the magnetic field. For CAZy classification, category such as glycosyl transferases was more abundant in the reactor with magnetic field, which has been shown to promote the entire energy supply pathway. Additionally, in the KEGG categories, unigenes related to signaling molecules and interaction were significantly inhibited. Through the enrichment analysis of the nitrogen metabolism pathway, the magnetic field inhibited anabolic nitrate reduction by significantly inhibiting enzymes such as [EC:1.

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Systematic review on the biological effects of electric, magnetic and electromagnetic fields in the intermediate frequency range (300 Hz to 1 MHz)

Cited by 65 publications

References 70 publications

Biological and health-related effects of weak static magnetic fields (≤ 1 mT) in humans and vertebrates: A systematic review

Biological and health-related effects of weak static magnetic fields (≤ 1 mT) in humans and vertebrates: A systematic review

Efekat dejstva elektromagnetnog zračenja bežičnih mreža i mobilnih telefona na zdravlje ljudi

Effects of an external magnetic field on microbial functional genes and metabolism of activated sludge based on metagenomic sequencing

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Systematic review on the biological effects of electric, magnetic and electromagnetic fields in the intermediate frequency range (300 Hz to 1 MHz)

Cited by 65 publications

References 70 publications

Biological and health-related effects of weak static magnetic fields (≤ 1 mT) in humans and vertebrates: A systematic review

Biological and health-related effects of weak static magnetic fields (≤ 1 mT) in humans and vertebrates: A systematic review

Efekat dejstva elektromagnetnog zračenja bežičnih mreža i mobilnih telefona na zdravlje ljudi

Effects of an external magnetic field on microbial functional genes and metabolism of activated sludge based on metagenomic sequencing

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Systematic review on the biological effects of electric, magnetic and electromagnetic fields in the intermediate frequency range (300 Hz to 1 MHz)