研究：环境污染或可致自闭症
<p><span word="Pollution">Pollution</span> <span word="could">could</span> <span word="be">be</span> <span word="a">a</span> <span word="factor">factor</span> <span word="in">in</span> <span word="autism">autism</span>, <span word="researchers">researchers</span> <span word="have">have</span> <span word="found">found</span>.</p><p><span word="They">They</span> <span word="say">say</span> <span word="children">children</span> <span word="with">with</span> <span word="autism">autism</span> <span word="spectrum">spectrum</span> <span word="disorder">disorder</span> (<span word="ASD">ASD</span>) <span word="were">were</span> <span word="more">more</span> <span word="likely">likely</span> <span word="to">to</span> <span word="have">have</span> <span word="been">been</span> <span word="exposed">exposed</span> <span word="to">to</span> <span word="higher">higher</span> <span word="levels">levels</span> <span word="of">of</span> <span word="certain">certain</span> <span word="air">air</span> <span word="toxics">toxics</span> <span word="during">during</span> <span word="their">their</span> <span word="mothers">mothers</span>' <span word="pregnancies">pregnancies</span> <span word="and">and</span> <span word="the">the</span> <span word="first">first</span> <span word="two">two</span> <span word="years">years</span> <span word="of">of</span> <span word="life">life</span> <span word="compared">compared</span>.</p><p><span word="The">The</span> <span word="find">find</span> <span word="could">could</span> <span word="help">help</span> <span word="explain">explain</span> <span word="the">the</span> <span word="rise">rise</span> <span word="in">in</span> <span word="cases">cases</span>.</p><p><span word="The">The</span> <span word="investigation">investigation</span> <span word="of">of</span> <span word="children">children</span> <span word="in">in</span> <span word="southwestern">southwestern</span> <span word="Pennsylvania">Pennsylvania</span> <span word="will">will</span> <span word="be">be</span> <span word="presented">presented</span> <span word="today">today</span> <span word="at">at</span> <span word="the">the</span> <span word="American">American</span> <span word="Association">Association</span> <span word="for">for</span> <span word="Aerosol">Aerosol</span> <span word="Research">Research</span> <span word="annual">annual</span> <span word="meeting">meeting</span> <span word="in">in</span> <span word="Orlando">Orlando</span>.</p><p>'<span word="Autism">Autism</span> <span word="spectrum">spectrum</span> <span word="disorders">disorders</span> <span word="are">are</span> <span word="a">a</span> <span word="major">major</span> <span word="public">public</span> <span word="health">health</span> <span word="problem">problem</span>, <span word="and">and</span> <span word="their">their</span> <span word="prevalence">prevalence</span> <span word="has">has</span> <span word="increased">increased</span> <span word="dramatically">dramatically</span>,' <span word="said">said</span> <span word="Evelyn">Evelyn</span> <span word="Talbott">Talbott</span> <span word="of">of</span> <span word="Pitt">Pitt</span> <span word="Public">Public</span> <span word="Health">Health</span>, <span word="who">who</span> <span word="led">led</span> <span word="the">the</span> <span word="research">research</span>.</p><p>'<span word="Despite">Despite</span> <span word="its">its</span> <span word="serious">serious</span> <span word="social">social</span> <span word="impact">impact</span>, <span word="the">the</span> <span word="causes">causes</span> <span word="of">of</span> <span word="autism">autism</span> <span word="are">are</span> <span word="poorly">poorly</span> <span word="understood">understood</span>.</p><p>'<span word="Very">Very</span> <span word="few">few</span> <span word="studies">studies</span> <span word="of">of</span> <span word="autism">autism</span> <span word="have">have</span> <span word="included">included</span> <span word="environmental">environmental</span> <span word="exposures">exposures</span> <span word="while">while</span> <span word="taking">taking</span> <span word="into">into</span> <span word="account">account</span> <span word="other">other</span> <span word="personal">personal</span> <span word="and">and</span> <span word="behavioral">behavioral</span> <span word="risk">risk</span> <span word="factors">factors</span>.</p><p>'<span word="Our">Our</span> <span word="analysis">analysis</span> <span word="is">is</span> <span word="an">an</span> <span word="addition">addition</span> <span word="to">to</span> <span word="the">the</span> <span word="small">small</span> <span word="but">but</span> <span word="growing">growing</span> <span word="body">body</span> <span word="of">of</span> <span word="research">research</span> <span word="that">that</span> <span word="considers">considers</span> <span word="air">air</span> <span word="toxics">toxics</span> <span word="as">as</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="risk">risk</span> <span word="factors">factors</span> <span word="for">for</span> <span word="ASD">ASD</span>.'</p><p><span word="Dr">Dr</span>. <span word="Talbott">Talbott</span> <span word="and">and</span> <span word="her">her</span> <span word="colleagues">colleagues</span> <span word="performed">performed</span> <span word="a">a</span> <span word="population">population</span>-<span word="based">based</span> <span word="study">study</span> <span word="of">of</span> <span word="families">families</span> <span word="with">with</span> <span word="and">and</span> <span word="without">without</span> <span word="ASD">ASD</span> <span word="living">living</span> <span word="in">in</span> <span word="six">six</span> <span word="southwestern">southwestern</span> <span word="Pennsylvania">Pennsylvania</span> <span word="counties">counties</span>.</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="found">found</span> <span word="links">links</span> <span word="between">between</span> <span word="increased">increased</span> <span word="levels">levels</span> <span word="of">of</span> <span word="chromium">chromium</span> <span word="and">and</span> <span word="styrene">styrene</span> <span word="and">and</span> <span word="childhood">childhood</span> <span word="autism">autism</span> <span word="spectrum">spectrum</span> <span word="disorder">disorder</span>, <span word="a">a</span> <span word="condition">condition</span> <span word="that">that</span> <span word="affects">affects</span> <span word="one">one</span> <span word="in">in</span> 68 <span word="children">children</span>.</p><p>'<span word="This">This</span> <span word="study">study</span> <span word="brings">brings</span> <span word="us">us</span> <span word="a">a</span> <span word="step">step</span> <span word="closer">closer</span> <span word="toward">toward</span> <span word="understanding">understanding</span> <span word="why">why</span> <span word="autism">autism</span> <span word="affects">affects</span> <span word="so">so</span> <span word="many">many</span> <span word="families">families</span> <span word="in">in</span> <span word="the">the</span> <span word="Pittsburgh">Pittsburgh</span> <span word="region">region</span> <span word="and">and</span> <span word="nationwide">nationwide</span> – <span word="and">and</span> <span word="reinforces">reinforces</span> <span word="in">in</span> <span word="sobering">sobering</span> <span word="detail">detail</span> <span word="that">that</span> <span word="air">air</span> <span word="quality">quality</span> <span word="matters">matters</span>,' <span word="said">said</span> <span word="Grant">Grant</span> <span word="Oliphant">Oliphant</span>, <span word="president">president</span> <span word="of">of</span> <span word="The">The</span> <span word="Heinz">Heinz</span> <span word="Endowments">Endowments</span>.</p>
页:
[1]