electromagnetic field

电磁场
  • 文章类型: Journal Article
    2020年3月,ICNIRP(国际非电离辐射防护委员会)发布了一套限制暴露于电磁场(100kHz至300GHz)的指南。ICNIRP声称本出版物对EMF和健康的看法,通常被称为“仅热范式”的视图,符合当前的科学理解。我们调查了ICNIRP2020中引用的文献,以评估其背后的作者和研究小组的差异是否符合构成广泛科学基础的基本要求,从而符合当前科学理解的观点。这样一套重要的指导方针有望满足的要求。要评估是否满足此要求,我们调查了ICNIRP2020指南和附件参考文献的作者和研究组的跨度.我们的分析表明,ICNIRP2020本身,实际上,所有引用的支持文献都来自一个只有17名研究人员的共同作者网络,他们中的大多数隶属于ICNIRP和/或IEEE,其中一些是ICNIRP2020的作者。此外,ICNIRP2020提交的文献综述来自独立委员会,实际上是这个非正式合作作者网络的产物,所有以ICNIRP2020作者为成员的委员会。这表明ICNIRP2020指南未能满足基本的科学质量要求,因此不适合作为设定RFEMF暴露限值以保护人类健康的基础。凭借其仅热视图,ICNIRP与大多数研究结果形成对比,因此需要一个特别坚实的科学基础。我们的分析表明情况恰恰相反。因此,ICNIRP2020指南不能提供良好治理的基础。
    In March 2020, ICNIRP (the International Commission for Non-Ionizing Radiation Protection) published a set of guidelines for limiting exposure to electromagnetic fields (100 kHz to 300 GHz). ICNIRP claims this publication\'s view on EMF and health, a view usually termed \"the thermal-only paradigm\", is consistent with current scientific understanding. We investigated the literature referenced in ICNIRP 2020 to assess if the variation in authors and research groups behind it meets the fundamental requirement of constituting a broad scientific base and thus a view consistent with current scientific understanding, a requirement that such an important set of guidelines is expected to satisfy. To assess if this requirement has been met, we investigated the span of authors and research groups of the referenced literature of the ICNIRP 2020 Guidelines and annexes. Our analysis shows that ICNIRP 2020 itself, and in practice all its referenced supporting literature stem from a network of co-authors with just 17 researchers at its core, most of them affiliated with ICNIRP and/or the IEEE, and some of them being ICNIRP 2020 authors themselves. Moreover, literature reviews presented by ICNIRP 2020 as being from independent committees, are in fact products of this same informal network of collaborating authors, all committees having ICNIRP 2020 authors as members. This shows that the ICNIRP 2020 Guidelines fail to meet fundamental scientific quality requirements and are therefore not suited as the basis on which to set RF EMF exposure limits for the protection of human health. With its thermal-only view, ICNIRP contrasts with the majority of research findings, and would therefore need a particularly solid scientific foundation. Our analysis demonstrates the contrary to be the case. Hence, the ICNIRP 2020 Guidelines cannot offer a basis for good governance.
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  • 文章类型: Journal Article
    旨在通过临床观察以及生物学和放射学发现客观地识别和表征疾病的临床研究是建立客观诊断标准和治疗方法时的关键初始研究步骤。未能首先定义此类诊断标准可能会导致对发病机理和病因的研究严重混淆偏见和错误的医学解释。对于电超敏反应(EHS)尤其如此,对于所谓的“激发试验”尤其如此,它不调查EHS的因果关系,而是EHS相关的特殊环境不耐受状态,对人为电磁场(EMF)过敏。然而,因为这些测试依赖于多个EMF相关的物理和生物学参数,并且在没有首先客观地定义EHS和/或终点的患者中进行,它们目前不能被认为是有效的发病机制研究方法。因此,这些试验获得的阴性结果并不排除EMF暴露作为EHS患者症状触发因素的作用.此外,没有证据表明EHS症状或EHS本身是由心身或nocebo效应引起的。这份国际共识报告呼吁承认EHS是一种独特的神经病理学疾病,并将其纳入世卫组织国际疾病分类。
    Clinical research aiming at objectively identifying and characterizing diseases via clinical observations and biological and radiological findings is a critical initial research step when establishing objective diagnostic criteria and treatments. Failure to first define such diagnostic criteria may lead research on pathogenesis and etiology to serious confounding biases and erroneous medical interpretations. This is particularly the case for electrohypersensitivity (EHS) and more particularly for the so-called \"provocation tests\", which do not investigate the causal origin of EHS but rather the EHS-associated particular environmental intolerance state with hypersensitivity to man-made electromagnetic fields (EMF). However, because those tests depend on multiple EMF-associated physical and biological parameters and have been conducted in patients without having first defined EHS objectively and/or endpoints adequately, they cannot presently be considered to be valid pathogenesis research methodologies. Consequently, the negative results obtained by these tests do not preclude a role of EMF exposure as a symptomatic trigger in EHS patients. Moreover, there is no proof that EHS symptoms or EHS itself are caused by psychosomatic or nocebo effects. This international consensus report pleads for the acknowledgement of EHS as a distinct neuropathological disorder and for its inclusion in the WHO International Classification of Diseases.
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  • 文章类型: Journal Article
    Major approaches of the Russian Federation in setting of exposure guidelines to electromagnetic fields (EMF) in occupational and public environments are discussed in this paper. EMF exposure guidelines in Russia are based on the results of hygienic, clinical, physiological, epidemiological and experimental studies and are frequency-dependent. The concept of a threshold principle of occupational and environmental factors due to hazardous exposure effects has been used to set permissible exposure levels of different EMF frequency ranges. The data of experimental studies showed hazardous threshold levels of EMF effects. The main criteria of EMF hazardous exposure evaluated in the experimental study concerned both estimation of threshold levels of chronic (long-term) and acute exposure. Also, this paper contains some recent experimental study data on correlation of long-term radiofrequency and power-frequency EMF exposure effects with regard to time duration, the so-called time-dependence approach. It enables identification of the value of permissible EMF exposure levels depending on exposure duration. This approach is used in occupational exposure guideline setting and requires the introduction of \"power exposition\" (PE) and \"maximal permissible level\" (MPL). In general, EMF exposure guidelines are established with regard to possible duration of exposure per day.
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