SCI REP-UK:将健康风险与磁场暴露联系起来

2017-12-15 白木清水译自 medicalxpress 来宝网

对孕妇磁场非电离辐射的真实暴露研究发现,流产率明显较高,为其潜在的健康风险提供了新的证据。

对孕妇磁场非电离辐射的真实暴露研究发现,流产率明显较高,为其潜在的健康风险提供了新的证据。

当使用电子设备并且电力正在流动时,产生来自磁场的非电离辐射。它可以由一些环境来源产生,包括电器,电力线和变压器,无线设备和无线网络。在使用中,人类通过靠近这些源而暴露于磁场。

来自电离辐射的健康危害已经很好地明确,包括放射病,癌症和遗传损伤,但是由非电离辐射造成的人类健康风险依然是有限的。

李博士说:“很少有研究能够准确测量暴露于磁场非电离辐射。 “另外,由于目前对这个课题缺乏研究,我们不知道超出这个问题的生物界限,我们也不了解增加风险的可能机制。

在由美国国家环境健康科学研究所资助的一项新研究中,研究人员询问18岁以上的确认怀孕的妇女在24小时内佩戴一小块(比一副纸牌大一点的)磁场监测装置。参与者当天还记录了他们的活动,并亲自面试,以便更好地控制可能的混杂因素,以及他们的活动在监控日的典型情况。研究人员控制已知影响流产风险的多个变量,包括恶心/呕吐,过去流产史,酒精使用,咖啡因摄入量,孕妇发热和感染

目的对913名孕妇、北加州凯泽永久医疗中心成员进行客观磁场测量和妊娠结局。10.4%的女性在典型的一天中,使用了最低测量暴露水平(1 / 4)的磁场非电离辐射,24.2%的女性有较高的暴露水平(2、3和4分位数),这是相对风险的3倍。李博士说,在一般人群中报告的流产率在10%到15%之间。

他说:“这项研究提供了人类的证据,证明磁场非电离辐射可能对人体健康产生不利的生物学影响。”

李博士指出,这项研究的优势在于研究人员使用客观的测量设备,研究了一个短期的结果(流产),而不是几年或几十年后会出现的结果,如癌症或自身免疫性疾病。这项研究的主要限制是研究人员要求参与者在整个怀孕期间携带测量设备是不可行的。

李博士指出,磁场非电离辐射潜在的健康风险需要更多的研究。 “我们希望这项研究的发现将激发急需的额外研究,潜在的发现对人类健康的环境危害,包括孕妇的健康。”

原始出处:De-Kun Li, Hong Chen, Jeannette R, et al. Exposure to Magnetic Field Non-Ionizing Radiation and the Risk of Miscarriage: A Prospective Cohort Study, Scientific Reports (2017).

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    2018-01-04 1e145228m78(暂无匿称)

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    2017-12-18 lou.minghong

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    2017-12-15 刘煜

    谢谢分享.阅读

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