资源描述：
《吸烟有害健康ppt.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、SmokingisharmfultohealthCherishlife,stayawayfromtobacco我国烟草问题现状吸香烟中的有毒物质烟的致癌作用吸烟对心、脑血管的危害吸烟引起的问题TobaccoissuespresentsituationinourcountryToxicsubstancesinthesmokecigarettesThecarcinogenicpotentialofsmokeTheharmofsmokingoncardiovascularandcerebrovascu
2、larProblemscausedbysmoking小火柴3一支香烟内包括了超过4000种不同的化学物质，其中有43种是致癌物质，所以每吸一支烟，亦同时吸入这4000种化学物质，令寿命缩短5~15分钟。Insideacigaretteincludesmorethan4000differentchemicals,including43speciesiscarcinogenicsubstance,soeachonecigarette,alsointhis4000chemicals,toshorten
3、thelifeof5to15minutes.4Carbonmonoxide﹗1.Carbonmonoxidetoslowdownthebloodcirculation,makefataccumulation,vascularocclusion,increasesthechancesofcoronaryheartdisease(CHD).2.Long-terminhalationofcarbonmonoxide,makestheoxygenintheblooddrop,makepeopleeasy
4、togasvelocity,reducemovementforceandacceleratedaging.Inlargesuctioncancauseheart,brainandotherorgansofoxygencondition.Smokingharm在卫生部发布的2006年中国“吸烟与健康”报告中，我们看到这样的数据：2002年我国15岁以上人群吸烟率为35.8%，其中男性和女性吸烟率分别为66.0%和3.1%。由此估计，吸烟者约为3.5亿，占世界烟民的三分之一。此外，我国吸烟人群有年轻
5、化的趋势，与20世纪80年代相比，开始吸烟的平均年龄由22.4岁降为19.7岁。我国既是烟草生产大国，也是烟草消费大国。我国的烟草产量相当于其他7个最大烟草生产国的总和。我国每年销售的香烟高达1.6万亿支，国人消费的香烟约占世界三分之一。如果将与吸烟有关的各种疾病所致的死亡均统计在内，目前每年约有100万人因此死亡。Nicotine﹗1.Leadtoaddiction.2.Eachcigarettecontaining1~1.5mgnicotine,24%ofwhichdirectlyabsor
6、bedbysmokerstosmokewhen,asin60~70mgcanleadtodeath.3.Thenicotineincreasebloodviscosity,makecholesterolaccumulationinthebloodvessels,increasingthechancesofthevascularocclusion.4.Bloodpressure,heartrateincreases.5.Hydrochloricacidingastricjuicesecretion
7、increased,smokerssusceptibletogastriculcer.6.Hinderthetransferofoxygen.Itcanresultincough小火柴6Cherishlife,stayawayfromtobaccoThedangersofsmokingSmokingcausescancer:1.Thestudyfoundthatcigarettesmokingisthemostfastestwaytoproducefreeradicals,eachapuffsm
8、okewillproduceatleast100000freeradicals,whichcanleadtocancerandmanychronicdiseases.2.Smokingcancausedizziness,nausea,sallowcomplexion,seriousandevenunstable,andsoon.3.Smokecigarette,cigarorpipe,containsanumberofdifferentmaterial,therearethreekindsoft
