,-hundred-,,itisestimatedthat1/4ofthepopulacesmoke,(香烟的成分)Nicotine尼古丁Carbonmonoxide一氧化碳Tar焦油Nitrosamine亚硝胺Radioactivematerial放射性物质Benzoapyrene苯并芘Metalcadmium金属镉Chloroethylene氯乙烯ThenewsmokingcrowdFemaleInrecentyears,(优雅)(轻度甲状腺病),theaverageserumHDL(好胆固醇)lowerthannon-smokers,…Alargenumberofinhaledcarbonmonoxidetomakethebodyhypoxia,,HighbloodpressureSmokingcandamagelungfunction,sputumandtoxicsubstancescannotberuledout,-termstimulation,theformationofchronicbronchitisandchronicobstructiveairway,andfurthertothedevelopmentofemphysema,-handsmokeSecond-handsmokeharmtopassivesmokersthanactivesmokers(主动吸烟者)donotlight,,inChina,Themainvictimsofpassivesmokingarewomenandchildren,Althoughtheydonotsmokethemselves,butofteninthefamily,publicplaces,sufferedsecond--oDay,Aglobalscale,therearealargenumberofepidemiologicalstudiesconfirmthat(大量流行病学研究证实)smokingistheprimaryriskf
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