（英汉双语）微塑料是否对人体有害？.docx

VOA健康报道2024（英汉双语）微塑料是否对人体有害？时间:2024-040802:42来源:互联网提供网友man字体：（大中小）AreTinyPlasticParticlesinOurBodiesHarmful?做罂料是否对人体有宙？AnewstudyexaminespossibleharmcausedbymicroSCoPiClpiecesofplasticthatendupinsidepeople'sbodies.一项新的研究考察了最终进入人体的微小型料碎片可旎造成的危害.Thesematerials-knownasmicroplasticsandnanoplastks-canenterthebodythroughtheairorinfoodordrinks.这些材料被称为微塑料和纳米塑料，它可以迪过空气、食物或饮料进入人体.Tinyplasticpieceshavereceivedwidespreadattentioninthemedia.Butsofar,veryhaleresearchhasbeendoneonhowthesubstancesaffecthumanhearthealth.做小的照料制品受到了媒体的广泛关注。但到目前为止，关于这些物侦如何影响人类心1拽健康的研究很少.Onenewstudysuggeststhebuildupofsuchplasticsinsidethebodycanincreasetheriskofastroke,heartattackordeath.Buttheresearchersnoted2theevidencepresentedcannotproveadirectlinkbetweentinyplasticmaterialsandheartproblems.一项新的研究衣明，这种蹩料在体内的堆积会增加中风、心脏病发作或死亡的风险，但研究人员指出，所提供的证据无法证明微小塑料材料与心脏同SS之间的S1.接联系。Whatdidthestudyfind?该研究有何发现？Thestudyinvolved257peoplewhohadmedicaloperationstoclearblockedbldvessels3intheirnecks.Italianresearchersexaminedthefattybuildupthedoctorsremovedfromthecarotidarteries4,whichsupplybloodandoxygentothebrain.这项研究涉及257人,他们接受了清理颈部培塞血管的医疗手术.意大利研究人员检查J'医生从为大脑提供血液和鼠气的颈动脓中消除的脂肪堆积物.Usingtwomethods,theyfoundevidenceofplasticsmosttynanoplasticsthatcannotbeseen-inthearterySplaque6of150patients.Noevidenceofplasticswasseenin107patients.他们采用两种方法,在150名患者的动脉斑块中发现f型科的证据.其中大部分是看不见的纳米赞科.在107名患者中没有发现史料的进望，Theteamfollowedthesepeopleforthreeyears.Duringthattime,30individuals,or20percentofthegroupwithplasticszhadaheartattack,stroke,ordiedfromanycause.Theseratesdroppedtoabouteightpercentamongthosewithnoevidenceofplastics.这个团tUi这"人进行了为期三年的跟踪调查.在此期间，发现塑料的群体中有30人、占比20%.发生了心脏病、中风或死于各种原因。在那些没有塑料证据的群体中.这一比例降至8%左右”ResearchresultswererecentlypublishedinastudyintheNewEnglandJournalofMedicine.研究结果最近发友在E新英格兰医学杂志上的一项研究中，TheresearchersalsofoundmoreevidenceofinflammationInindividualswithtinyplasticbitsintheirblood.Inflammationisthebody'sreactiontoinjuryandisthoughttoraisetheriskofheartattacksandstrokes.研究人员还发现了血液中有澈小塑料碎片的人出现炎就的更多证据。炎症是身体对损伤的反应它被认为会增加心脏病发作和中风的风!险.Whataretheproblemswiththestudy?这项研究有什么问题？Theresearchersadmittedtheirstudywasverysmall.Forexample,itOntYlookedatpeoplewithnarrowedarterieswhowerealreadyatriskforheartattacksandstroke.研究人员承认他们的研究规帙很小，例如，它只观察了动脉狭窄的人群，这些人已经存在心脏病发作和中风的风险OAndthepatientswiththeplasticshadmoreheartdisease,diabetes?andhighcholesterolsthanthosewithoutplastics.Theywerealsomorelikelytobemenandmorelikelytobesmokers9.Bothofthosegroupsgenerallyhavehigherratesofheartdisease.检出塑料制品的患者比没有检出型科制M的患者更容易发生心脏病、能尿病和高胆囿醉.他们也更有可能是男性，更有可能是吸烟者。这两组人通常都有较高的心脏病发病率。Theresearcherstriedtoaccountfortheseriskdifferences.Buttheynotedtheymayhavemissedsomeimportantelementsthatuldchangetheresults.TheteamsaidbecauseoftheseOngoinglOquestions,thiskindofstudycannotprovetbeplasticscausedthehealthproblems.研咒人员试图解拜这些风险差异.但他们指出,他们可旎惜过了一些可能改变结果的重要因素.该团队表示，由于这些持续存在的问应，这类研窕无法证明照料导致了健康问遨.SteveNissenisaheartexpertattheClevelandClinicinthestateofOhiowhowasnotpartofthestudy.HetoldtheAssociatedPresshethinkstheteam'sestimatethattheriskofheartattack,strokeordeathwasfourtimesgreaterseemstoohigh.史蒂夫尼森是俄亥俄州克利夫兰诊所的心脏病专像，他没有参与这项研究.他告诉美联社,他认为该研究小组估算心脏病发作、中风或死亡的风险高出四倍.这似乎太高了."Itwouldmeanthatthesemoplasticsarethemostimportantcauseofcoronaryheartdiseaseyetdiscovered.AndIjustdon'tthinkthat'slikelytoberight,"Nissensaid.尼森说：“这意味着这些微型料是迄今为止发现的导致冠心病的最重要俅因.我只是认为这不太可能是财的JWhatisnextfortheresearchers?研究人员的下一步是什么？Philip1.andriganofBostonCollegeUniversitytoldtheAPthatmoreresearchisneededontheissue.1.andrigan.whowroteabouttbestudyintheJournal,saiditisthefirstonesuggestingaconnectionbetweenmicroplasticsandnanoplasticswithdiseaseinhumans.Otherscientistshavefoundplasticbitsinthelungs,liver,blood,placentaandbreastmilk.波士娘学院大学的非利普兰诲里根告诉美联社，需要对这个问理进行更多的研究，兰i里根在华尔街11报上撰文谈到了这项研究，他说这是第一个表明微照料和纳米照料与人类疾精之间存在联系的研究，其他科学家已经在Qd、肝、血液、胎盘和母乳中发现了塑料碎片."Itdoesnotprovecauseandeffect,butitsuggestscauseandeffect,"1.andrigansaid."Anditneedsurgentlytobeeitherreplicated11ordisprovenbotherstudiesdonebyotherinvestigatorsl2inotherpopulations."兰第里根说：“它不能证明因果关系，但它启发了因果关系。它迫切需要被其他研究人员在其他人群中进行的其它研究所重红或推翻JTheOevelandClnlc'sNlssenaddedaboutthestudy,"It'sawake-upcallthatperhapsWeneedtotaketheproblemofmioplasticsmoreseriously.Asacauseforheartdisease?Notproven.Asapotentialcause?Yes,maybe,"Nissensaid.克利夫兰诊所的尼森在谈到这项研究时补充道，“这是一个警钟，也许我们衢要更认直地对待微塑料何烟，作为心脏病的病因？尚未被证实.作为漕在抗因？是的，也许J