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The Japanese utility giant Tepco
is planning to
dump
more than 1 million cubic meters of treated radioactive water --
enough to fill 500 Olympic-size swimming pools
-- from the wrecked Fukushima Dai-Ichi nuclear power plant
into
the Pacific Ocean, part of its nearly $200 billion effort to clean up the worst atomic accident since Chernobyl.
日本电力巨头东京电力公司正计划将受损的福岛第一核电站逾100万立方米的经过处理的具有放射性的废水倒入太平洋，这些水足以填满500个奥运会标准的游泳池。此举是该公司斥资近2,000亿美元处理福岛核电站事故所做的努力之一，它是切尔诺贝利核事故以来最严重的一次核事故。
这段话抓住关键结构dump into，中间虽然很长，但都是对核废水的修饰说明。
近年来，化学物质所致帕金森综合征(PDS)日益增多，对人类健康构成严重威胁。而研究发现，其中有一种致病的化学物质在人们生活中非常常见。
Dorsey, a neurologist at the University of Rochester Medical Center and author of Ending Parkinson’s Disease, believes a Parkinson’s epidemic is
on the horizon
. Parkinson’s is already the fastest-growing neurological disorder in the world; in the US, the number of people with Parkinson’s has increased 35% the last 10 years, says Dorsey, and “We think over the next 25 years it will double again.”
罗切斯特大学医学中心的神经学家、《终结帕金森氏病》一书的作者多尔西认为，帕金森病的流行即将到来。
帕金森病已经是世界上增长最快的神经系统失调病；在美国，帕金森病患者的人数在过去10年里增加了35%，多尔西表示“我们认为未来25年内，患病人数将再次翻倍。”
Most cases of Parkinson’s disease are considered
idiopathic
– they lack a
clear
cause. Yet researchers increasingly believe that one factor is environmental exposure to trichloroethylene (TCE), a chemical compound used in industrial degreasing, dry-cleaning and household products such as some shoe polishes and
carpet
cleaners.
大多数帕金森病例是原发的——没有明确的患病原因。然而，研究人员
日益认为，患病因素之一是接触三氯乙烯的环境，这是一种在工业清洗、干洗和家用清洁产品（如一些鞋油和地毯清洗剂）中使用的化合物。
To date, the clearest evidence around the risk of TCE to human health is derived from workers who are exposed to the chemical in the work-place. A 2008 peer-reviewed study in the Annals of Neurology, for example, found that TCE is “a risk factor for parkinsonism.” And a 2011 study
echoed
those results, finding “a six-fold increase in the risk of developing Parkinson’s in individuals exposed in the workplace to trichloroethylene (TCE).”
目前为止，围绕三氯乙烯对人类健康的风险，最明确证据来自于在工作场所接触这种化学物质的工人。例如，2008年发表在《神经病学年鉴》上的一项经同行评议的研究发现，三氯乙烯是“帕金森病的一个致病因素”。2011年的一项研究印证了那些实验结果，该研究发现“在工作场所接触三氯乙烯的人患帕金森的风险增加了6倍。”
Dr Samuel Goldman of The Parkinson’s Institute in Sunnyvale, California, who co-led the study, which appeared in the Annals of Neurology journal, wrote: “Our study confirms that common environmental
contaminants
may increase the risk of developing Parkinson’s, which has considerable public health implications.”
加州森尼维尔帕金森研究所的塞缪尔·戈德曼博士是这项研究的负责人之一，他将研究发现发表在了《神经病学年鉴》杂志上，内容是：“我们的研究证实，常见的环境污染物可能会增加患帕金森病的风险，这对公共健康有相当大的影响。”
It was off the back of studies like these that the US Department of Labor issued a guidance on TCE, saying: “The Board recommends [...] exposures to carbon disulfide (CS2) and trichloroethylene (TCE) be presumed to cause, contribute, or aggravate Parkinsonism.”
本文节选自：The Guardian（卫报）
发布时间：2021.04.07
作者：Adrienne Matei
原文标题：Rates of Parkinson’s disease are exploding. A common chemical may be to blame
