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研究:手机致癌已证据确凿(双语)

2018-11-06 09:33

来源:华尔街日报

作者:

  U.S. researchers found “clear evidence” that cellphone radiation exposure can cause cancerous heart tumors in male rats. It is still unclear what the final conclusions of their two-decades-long study of the health impact on rodents mean for humans.

  美国研究人员发现,有“确凿证据”显示,手机辐射能引发雄性大鼠罹患恶性心脏肿瘤。他们在对啮齿动物健康所受影响进行长达20年的研究后得出了这一最终结论,目前尚不清楚该结论对人类而言意味着什么。

  Scientists at the National Toxicology Program, which carried out the major study, this week published final reports that express more confidence in links between cellphone radiation exposure and some tumors in rats than they did in draft reports earlier this year.

  开展这项大型研究的美国国家毒理学计划(National Toxicology Program)的科学家于本周发布了最终报告。比起今年早些时候的初步报告,他们在最终报告里更加确信手机辐射与老鼠罹患的一些肿瘤之间存在关联。

  Their final reports, for example, concluded that there is “clear evidence” that male rats exposed to high levels of cellphone radiation developed cancerous heart tumors, after initially saying there was just “some evidence”—a less certain classification.

  例如,他们的最终报告断定:有“确凿证据”表明,暴露在高水平手机辐射之下的雄性大鼠长出恶性心脏肿瘤。而他们在初步报告中只是说这方面“有一些证据”,语气不那么肯定。

  They also said there was “some evidence” of brain and adrenal gland tumors in male rats that were exposed to cellphone radiation after characterizing that evidence as “equivocal” earlier this year.

  此外,他们在报告中说,有“一些证据”表明,暴露于手机辐射下的雄性大鼠会长出脑瘤和肾上腺肿瘤,而在今年早些时候的报告中,他们称这方面有“不明确的”证据。

  The changes were made after scientists in charge of the study accepted the recommendations of a panel of experts that reviewed the findings.

  负责该研究的科学家接受了一个对研究结果进行审核的专家小组的建议,随后做出了这些改动。

  In female rats and male and female mice, the link between cancers and exposure to cellphone radiation was less clear, the researchers said. One surprising finding in the study was that exposed male rats lived longer and had a significant reduction in a type of kidney disease.

  研究人员称,就雌性大鼠以及雄性和雌性小鼠而言,癌症与手机辐射之间的关联并不那么明确。该研究有一个出人意料的发现:暴露在手机辐射下的雄性大鼠寿命更长,一种肾病的发病率明显降低。

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