electromagnetic radiation and health pdf

Electromagnetic Radiation And Health Pdf

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Electromagnetic Fields

Electromagnetic fields EMF are ubiquitous in modern society. It is well known that exposure to strong fields can result in acute effects, such as burns; the mechanisms behind such effects are well established. There is, however, also a concern that long-term exposure to weak fields might have health effects due to an as-yet unknown mechanism.

Because of the already widespread exposure, even small health effects could have profound public health implications. Comprehensive research efforts are therefore warranted, and are indeed ongoing. The strongest evidence for health risks is from exposure to fields generated in connection with use of electric power.

As for fields used by telecommunications technology, there is still considerably fewer data available and for the time being there is only very weak support for the existence of health effects.

However, extensive research activities are ongoing and much more data will be available in the near future. This situation of scientific uncertainty and considerable public concern creates dilemmas for decision makers. Oxford University Press is a department of the University of Oxford. It furthers the University's objective of excellence in research, scholarship, and education by publishing worldwide.

Sign In or Create an Account. Sign In. Advanced Search. Search Menu. Skip Nav Destination Article Navigation. Close mobile search navigation Article Navigation. Volume Article Contents Abstract. The electromagnetic spectrum and low frequency fields. Established mechanisms of interaction.

Potential health risks from weak long-term exposure: ELF. Potential health risks from weak long-term exposure: RF. Balancing risk. Article Navigation. E-mail: anders. Oxford Academic. Google Scholar. Maria Feychting. Select Format Select format. Permissions Icon Permissions. Abstract Electromagnetic fields EMF are ubiquitous in modern society. Download all slides.

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Electromagnetic radiation and health

Electromagnetic fields EMF are ubiquitous in modern society. It is well known that exposure to strong fields can result in acute effects, such as burns; the mechanisms behind such effects are well established. There is, however, also a concern that long-term exposure to weak fields might have health effects due to an as-yet unknown mechanism. Because of the already widespread exposure, even small health effects could have profound public health implications. Comprehensive research efforts are therefore warranted, and are indeed ongoing.

Electromagnetic fields EMF have been implicated to influence a range of bodily functions. Given their ubiquitous nature, widespread applications, and capability to produce deleterious effects, conclusive investigations of the health risks are critical. Accordingly, this paper has been constructed to weigh the bioeffects, possible biointeraction mechanisms, and research areas in bioelectromagnetics seeking immediate attention. The several gaps in the existing knowledge do not permit one to reach a concrete conclusion but possibility for harmful effects cannot be underestimated in absence of consistent findings and causal mechanisms. Several studies with appropriate methodologies reflect the capacity of electromagnetic radiations to cause adverse health effects and there are several credible mechanisms that can account for the observed effects. Hence, need of the hour is to activate comprehensive well-coordinated blind scientific investigations, overcoming all limitations and demerits of previous investigations especially replication studies to concretize the earlier findings.

Health Implications of Electromagnetic Fields, Mechanisms of Action, and Research Needs

The most common health hazard of radiation is sunburn , which causes between approximately , and 1 million new skin cancers annually in the United States. Claims of harm from low levels of non-ionizing radiation sometimes described as "electrosmog" are unsupported by science. Dielectric heating from electromagnetic fields can create a biological hazard. For example, touching or standing around an antenna while a high-power transmitter is in operation can cause burns the mechanism is the same as that used in a microwave oven. The heating effect varies with the power and the frequency of the electromagnetic energy, as well as the inverse square of distance to the source.

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Electromagnetic Radiation and Human Health : A Review of Sources and Effects By

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Are there regulations concerning radiation emissions from power lines?

Electric and magnetic fields EMFs , also called radiation , are areas of energy that surround electrical devices. Everyday sources of EMFs include. Some people worry about EMF exposure and cancer. Some studies have found a link between EMF exposure and a higher risk of childhood leukemia, but other studies have not. Other studies have not found proof that EMF exposure causes other childhood cancers.

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NCBI Bookshelf. A large body of literature exists on the response of tissues to electromagnetic fields, primarily in the extremely-low-frequency ELF and microwave-frequency ranges. In general, the reported effects of radiofrequency RF radiation on tissue and organ systems have been attributed to thermal interactions, although the existence of nonthermal effects at low field intensities is still a subject of active investigation. This chapter summarizes reported RF effects on major physiological systems and provides estimates of the threshold specific absorption rates SARs required to produce such effects. Organ and tissue responses to ELF fields and attempts to characterize field thresholds are also summarized. The relevance of these findings to the possible association of health effects with exposure to RF fields from GWEN antennas is assessed.

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There are no U. Federal standards limiting residential or occupational exposure to electric and magnetic fields EMF from power lines. However, some states have set standards for transmission line fields. Return to Frequent Questions about Radiation Protection. Contact Us to ask a question, provide feedback, or report a problem.

Electromagnetic fields EMF are ubiquitous in modern society. It is well known that exposure to strong fields can result in acute effects, such as burns; the mechanisms behind such effects are well established. There is, however, also a concern that long-term exposure to weak fields might have health effects due to an as-yet unknown mechanism.

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