关于烟吸烟危害的作文

会引起肺癌和心血管疾病.并且生活在自己周围的亲人有吸二手烟的风险.

Smokingisharmfultothesmoker'sheathy.Smokemayresultinadarkteethandmaycausebronchitisandlungdeases.Whe

Itisknowntoeveryonethatsrnokingisharmfultoourhealth.Researchconductedinmanycountrieshasindicatedthat

SmokingisHarmful　　IthasbeenestimatedthatsmokershavemadeuphalfofthepopulationinChina.Andthesmokersare

吸烟的危害(TheHarmofSmoking)Smoking,whichmaybeapleasureforsomepeople,isaseriesofdiscomfortsfortheirfellow

烟草的烟雾中至少含有三种危险的化学物质：焦油,尼古丁和一氧化碳,焦油是由好几种物质混合成的物质,在肺中会浓缩成一种粘性物质.尼古丁是一种会使人成瘾的药物,由肺部吸收,主要是对神经系统发生作用.一氧化碳

烟草中对人体健康的主要有害成份是：烟焦油、尼古丁、一氧化碳.烟焦油是对人体有极大的害处吸烟者戒烟不成功只是意志不够坚定不能抵抗烟瘾的诱惑,

尼古丁的毒性及成瘾性尼古丁是一种难闻、味苦、无色透明的油质液体,挥发性强,在空气中极易氧化成暗灰色,能迅速溶于水及酒精中,通过口鼻支气管粘膜很容易被机体吸收.粘在皮肤表面的尼古丁亦可被吸收渗入体内.一

据世界卫生组织调查,在工业发达的国家中有四分之一的癌症者,吸烟的占90%；死于支气管炎的,吸烟的占75%；死于心肌梗塞者,吸烟的占25%.吸烟不但给本人带来危害,而且还殃及子女,有学者对5200个孕妇

Todaysmokingisawidespreadhabitaliovertheworld.Notonlytheold,theyouth,butalsomiddleschoolstudentshave

1Nowhereintheworldhastheissueoftobaccobeensomuchdebatedasinoursociety.Nowadays,tobaccoismoreharmfult

Sowhataretherisksofsmoking?Here'swhattobacco'scriticssay:CANCERTheCentersforDiseaseControlandPrevent

SmokingisHarmfulIthasbeenestimatedthatsmokershavemadeuphalfofthepopulationinChina.Andthesmokersarebe

Nowadays,manyteenagesarequitekeenonsmoking.Thereasonisthatyoungpeoplefeelcoolinthisway.However,whatt

Hello,Tony!Iamwritingtotellyousomethingaboutsmoke.Whatabigsurpriseitistomethatyouareasmoker.Smokingw

Theharmofsmoking希望可以帮到你.

SmokingisHarmfulIthasbeenestimatedthatsmokershavemadeuphalfofthepopulationinChina.Andthesmokersarebe

SmokingisharmfulSmokingcigarettesisveryharmfultoourhealth.Studiesshowthatsmokingcancausecancerandoth

TheHarmofSmokingSmoking,whichmaybeapleasureforsomepeople,isaseriesofdiscomfortsfortheirfellows.Medic

一、吸烟危害健康,与肺癌关系密切　　吸烟致癌是一个滞后和漫长的过程.从上世纪50年代,国际上就已经有越来越多的研究证据表明吸烟与肺癌有关系.目前临床上确诊和死亡的肺癌患者中,有87%跟吸烟相关,当然其