【正文】 活習慣，誘發(fā)不良行為，甚至引發(fā)犯罪。全世界三分之一以上香煙由中國人一口一口吸掉?！奔热粺煵萦腥绱丝膳挛：Γ瑸槭裁从斜姸嗳宋鼰熌?？分析其原因主要有兩個：一煙草中所含尼古丁令人上癮，使人對它產(chǎn)生依賴，不容易戒掉；另一個原因大多數(shù)人還沒有把吸煙看成一個丑陋，既害人又害己的惡習。元兇。開展這項活動，目的在于警醒世人吸煙有害健康，呼吁人們放棄煙草，為人類自己創(chuàng)造一個健康生存環(huán)境。為了過一把煙癮，他們一會兒躲進廁所，一會兒藏進街邊小賣部，一會兒躲進宿舍，個別同學甚至躲到被子里。想想吧，一旦這個支點殘損了，他們心中的天還不塌了？再說了，你的消費不是每天都有保障，哪天“資金鏈”斷了，你會做出怎樣的選擇呢？真的不敢想啊！勸誡規(guī)勸誡，更要靠你們自覺行動，良好的習慣起于舉手投足間。如果你的認知能力是因為你的抽煙而減衰，你不覺得對不住自己嗎？接下來我們從經(jīng)濟上算算賬。15年時間，對今天的你來說或許感覺不到它的長度，可你算算，你一生有幾個十五年呢？我們再從生理上說說。一個煙民一生將吸掉10萬9千5百多支（近11萬支）的香煙。今天，就此話題和大家談談青少年吸煙到底有哪些危害。同學們，讓我們從現(xiàn)在開始，學習更多的健康常識，向更多的人普及吸煙的危害性，爭取更大的力量，為童年生活營造一片綠色、健康的“無煙區(qū)”。那些看似愜意放松的“吞云吐霧”，其實正悄悄地吞噬著抽煙者和身邊人的身體健康。高中生吸煙的心理①、好奇模仿心理②、交往心理③、虛榮心理④、消愁心理思考你應該怎么做①、拒吸第一支煙②、樹立一種抵御被動吸煙創(chuàng)建無煙環(huán)境的意識。就是癌癥的引發(fā)劑，一氧化碳對全身的組織細胞均有毒性作用，尤其對大腦皮質影響最為重要。也增加了高血壓的危險。苯丙芘、砷、鎘、甲基肼、氨基酚、其他放射性物質。而慢性肺部疾病本身也增加了得肺炎及心臟病的危險并且吸煙香煙點燃后產(chǎn)生對人體有害的物質大致分為六大類：醛類、氮化物、烯烴類、這些物質對呼吸道有刺激作用。不同的香煙點燃時所釋放的化學物質有所不同，但主要數(shù)尼古丁、煙焦油和一氧化碳等化學物質?！窘虒W目標】明確良好的生活習慣對健康的重要性，吸煙就是一種不良習慣，要讓學生體會到吸煙對人體、社會等的危害、要學會控制自己的行為、自覺抵御惡習、養(yǎng)成良好的生活習慣、提高自主學習和合作學習的能力以及培養(yǎng)學生分析問題和解決問題的能力。t up smoking for the sake of your health, for the sake of your family, and for the sake of the whole smoke is killing thousands of people every year and injuring hundreds of thousands more every day like officials released a massive report that is sparking renewed efforts to ban smoking in public smoke has been classified as known carcinogen, this classification is only shared by ten other pollutants.(These pollutants include benzene, asbestos and smoke inhaled directly from Mario Cuomo has asked the Legislature to outlaw smoking on school grounds and antismoking advocates said they would target airlines and fast food chains for similar risk of developing lung cancer due to tobacco smoke is 1 in 1,000 for nonsmokers and 2 in 1,000 for nonsmoking spouses of , the risk for smokers is 70 in every 1, smoking causes between 150,000 and 300,000 cases of bronchitis, pneumoia and similar infections in children less than 18 months old and worsens the condition of between 200,000 and 1 million asthmatic is pointless to allow people to smoke in one part of a restaurant and not to allow it in another when eventuallly the nonsmoking section breathes in the conclusion, second hand smoke is a human carcinogen that kills about 3,000 because of lung cancer smoke is responsible ffor 150,000 to 300,000 cases of bronchitis and pneumonia and other lower respiratory infections in children up to 18 months of smoke is also known to cause the buildup of fluid in the middle ear causing various one can see it is not remended for people to smoke in public due to the effects