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【Whatarethelinksbetweenhealthrisksandenvironmentalpollution?如题写一篇200词的小短文,好的话再追加100分】
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Whatarethelinksbetweenhealthrisksandenvironmentalpollution?如题写一篇200词的小短文,好的话再追加100分

汪孔桥回答:
  Airpollutioncanaffectourhealthinmanywayswithbothshort-termandlong-termeffects.Differentgroupsofindividualsareaffectedbyairpollutionindifferentways.Someindividualsaremuchmoresensitivetopollutantsthanareothers.Youngchildrenandelderlypeopleoftensuffermorefromtheeffectsofairpollution.Peoplewithhealthproblemssuchasasthma,heartandlungdiseasemayalsosuffermorewhentheairispolluted.Theextenttowhichanindividualisharmedbyairpollutionusuallydependsonthetotalexposuretothedamagingchemicals,i.e.,thedurationofexposureandtheconcentrationofthechemicalsmustbetakenintoaccount.   Examplesofshort-termeffectsincludeirritationtotheeyes,noseandthroat,andupperrespiratoryinfectionssuchasbronchitisandpneumonia.Othersymptomscanincludeheadaches,nausea,andallergicreactions.Short-termairpollutioncanaggravatethemedicalconditionsofindividualswithasthmaandemphysema.Inthegreat"SmogDisaster"inLondonin1952,fourthousandpeoplediedinafewdaysduetothehighconcentrationsofpollution.   Long-termhealtheffectscanincludechronicrespiratorydisease,lungcancer,heartdisease,andevendamagetothebrain,nerves,liver,orkidneys.Continualexposuretoairpollutionaffectsthelungsofgrowingchildrenandmayaggravateorcomplicatemedicalconditionsintheelderly.ItisestimatedthathalfamillionpeopledieprematurelyeveryyearintheUnitedStatesasaresultofsmokingcigarettes.   Researchintothehealtheffectsofairpollutionisongoing.Medicalconditionsarisingfromairpollutioncanbeveryexpensive.Healthcarecosts,lostproductivityintheworkplace,andhumanwelfareimpactscostbillionsofdollarseachyear.
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