there are many students smoking in senior high school, the reason may be that they think they look cool or appear to be more mature while having a cigarette at hand.

but there are a lot of reasons not to smoke. smoking does harm to our health.it is dangerous to our heart and lung. a lot of diseases are caused by cigarettes.cigarettes also have terrible smell.

the seconghand smoke can also be dangerous to the others who stand around you.

therefore, no smoking in public is a strict regulation in many countries.

and the most important thing is that once you come into addicitive,it's hard to get rid of it. so,we must keep far from the cigarette——for everybody's health.

翻译：

高中里有很多学生吸烟，原因可能是他们觉得手中有一支烟看上去很酷或者显得更成熟。但是，不吸烟的原因有很多。吸烟有害我们的健康，对我们的心脏和肺很危险。很多疾病都是由香烟引起的，而且烟的味道不好闻。

二手烟对周围的人也很危险。因此，公共场所禁止吸烟是很多国家的一项严厉规定。最重要的是，一旦你上瘾了就很难戒掉了。所以，为了每个人的健康，我们必须远离香烟。

吸烟危害演讲稿篇2

敬爱的老师，同学们：

大家好!

世界卫生组织于1987年做出决定，将每年的5月31日订为世界无烟日。此举告诫人们吸烟有损健康，呼吁世界“烟民”在该日停止吸烟或从此戒烟，并呼吁这一天所有商人不卖烟。

1990年，世界卫生组织选择了“青少年不要吸烟”作为本年世界无烟日的主题。在我国召开的第三个“世界无烟日”座谈会上，有关专家呼吁：控制吸烟应从青少年抓起，还强调控制青少年吸烟要从小抓起;教育部门要充分利用教育阵地，加强对学生的管理，要绝对禁止中小学生吸烟。据有关报刊报导，我国青少年吸烟率近年来不断上升。如果不加以控制，到2025年，我国每年死于吸烟的总人数将由现在每年10万人上升到200万人。据调查，青少年吸烟已成为我国一个不容忽视的社会问题，我国70%以上的吸烟者开始吸烟的年龄都在15～25岁之间。

为推动我国控制吸烟工作的深入开展，必须杜绝青少年吸烟现象。吸烟过多，会引起身体的不适。如：咳嗽、喘气不适……还会引起多种慢性疾病的发生。如：肺炎、癌症……一些人，朋友见面要抽烟，过节送礼也买烟，抽烟成了交际的工具。香烟盒子上明明刻着“吸烟有害健康”六个大字，不知道一些忠实的烟民朋友有没有看见。

总之，吸烟有害健康。大家戒烟吧!

吸烟危害演讲稿篇3

do you have a habit of smoking?anyone here?and that’s our topic today-smoking is bad for your health. the data based on the centers for disease control and prevention, cigarette contains more than 4,000 chemicals, as well as more than 250 kinds of toxic or carcinogenic. i will be in three parts of the contents, first to talk about the dangers of smoking, followed by talking about why so many people smoke, and finally some advice to quit.

smoking is bad for your health---no kidding we will agree with that. according to the world health organization, 1/4 of the lung cancer patients in industrially developed countries, 90% are smokers; those who were died of bronchitis, smokers accounted for 75%; and in myocardial infarction smokers accounted for 25%.

now smoking does so much harm on their own or others, why do so many people still smoke a lot? first, it is a long-established habit for many people, they could not escape in a short time.second, a necessary for social intercourse. third, a lot of smokers have less sense of the seriousness of the consequences of smoking.

there are various methods to quit smoking, and it varies from person to person. first, please have confidence and determination.secondly, make out plans to reduce the number of daily smoking. how about the cravings coming back? you can take activities to distract, like a deep breath, drinking tea, eating snacks and so on.

to sum up, what we talk above are about the dangers of smoking, the reason some people smoke, and finally some suggestions about cessation. that’s all, thank you.

吸烟危害演讲稿篇4

good afternoon, everyone!i am very glad to have a speech here. my name is xx-x, and my major is chemistry. hu bei, jing zhou is my hometown, a famous city in the three kingdoms, and it is rich in rice and fish. i graduated from xx-x university, and now, i am studying in xx-x university. in my spare time, i often play computer games, surf on line, or travel with friends and sometimes i like being alone and doing nothing.my topic is smoking, do you smoke? yes or no? it has been estimated that smokers have made up half of the population. and the smokers are being younger and younger, even including some middle school students, both boys and girls. nowadays, more and more people have realized that smoking can do harm to their health. however, some people still enjoy smoking. why? some of them think it is very cool that they can smoke like a famous handsome actor; some people think that they will be looked more mature when smoking. the brain workers think that smoking can bring them inspiration and the sad people may relieve themselves by smoking. is the smoking really so effectively? if smoking was as good as what they say, our life would be easier just though smoking.in fact, smoking is a bad habit and it can cause a lot of diseases, such as tracheitis(气管炎), lung cancer and many other diseases. recent years, there are tens of thousands of people dying of smoking. meanwhile, smoking is a waste of money. besides, careless smokers may cause dangerous fires. smoking is bad for not only the smokers themselves, but also non-smokers. second hand smoking has been recognized harmful to other people. even worse, it may cause more damages for children and pregnant women.if you are a smoker, here are some tips can help you to reduce the harm from smoking: first, you can use a filter which can prevent most of the poisonous substance breathing into your lung, such as nicotine and tar(焦油). second, drink a cup of tea when you are smoking, because tea is able to detoxify. third, you can smoke the electronic cigarette rather than cigarette. though the electronic cigarette is not completely safety, it is less harmful for health compared with cigarette. i think the most effective way to reduce the harm is that smoke as less as you can. the less you smoke, the more health you will get, and then you will live longer.at last, considering the health of yourself and other people who you care and you care, please do not smoke!

吸烟危害演讲稿篇5

同学们

你们发现没有，最近一段时间，有些同学一下课便三三两两躲到厕所里，掏出香烟，吞云吐雾。有的同学不以为然，甚至有炫耀的心理。殊不知，你的这种行为严重损害了自身的形象，影响到了身边的同学，与《未成年人保护法》、《三中生守则》背道而驰，与三中的文明创建格格不入。今天，就此话题和大家谈谈青少年吸烟到底有哪些危害。

有数据显示，我国70%以上的吸烟者，开始吸烟的年龄都在15—20岁之间。假设从15岁开始吸烟，每天平均吸5支香烟。按照我国公民平均寿命75岁计算。一个烟民一生将吸掉10万9千5百多支（近11万支）的香烟。五支香烟就可结束一条金鱼的生命，如果不远离香烟，你一生中吸掉的香烟将对你的身体健康产生多大的伤害。世界卫生组织曾报告说：90%的肺癌、75%的肺气肿和25%的冠心病都与吸烟或被动吸烟有关，不吸烟者平均寿命能延长10—15年。15年时间，对今天的你来说或许感觉不到它的长度，可你算算，你一生有几个十五年呢？

我们再从生理上说说。你们正处在长身体的青春期，身体各器官系统还没有发育成熟，对香烟烟雾危害的抵抗力还比较弱，容易遭受香烟烟雾的伤害。有医学研究表明：青少年吸烟成瘾可能引起思维过程的严重退化和智力功能的损伤，严重的会导致思维中断和记忆力障碍，吸烟者的联想、记忆、想象、计算、辨认力、智力效能比不吸烟者减低了10%左右，而且注意力难以集中。你们正处在接受新事物的最佳年龄，今天的努力是为了未来的美好。如果你的认知能力是因为你的抽烟而减衰，你不觉得对不住自己吗？

接下来我们从经济上算算账。你们抽烟花的钱是你们自己的吗？显然不是。因为你们现在没有真正意义上的经济实体，可以说，你们现在的绝大部分花销势必依赖你们的父母（或监护人），想一想，他们辛辛苦苦挣钱供你们读书、生活，容易吗？平时节衣缩食，一心为了你们的成长。在父母心里，你就是他们的支点。想想吧，一旦这个支点残损了，他们心中的天还不塌了？再说了，你的消费不是每天都有保障，哪天“资金链”断了，你会做出怎样的选择呢？真的不敢想啊！

劝诫规劝诫，更要靠你们自觉行动，良好的习惯起于举手投足间。同学们，远离香烟，做一个阳光好少年吧！

吸烟危害演讲稿篇6

尊敬的老师，亲爱的同学们：

大家早上好！我是八年级五班的__，今天我演讲的主题是《杜绝吸烟，关爱健康，创建无烟校园》。

在人们日益关注健康的今天，“吸烟有害健康”已成为人们的共识，世界卫生组织把每年的5月31日定为“世界无烟日”。

吸烟有害健康已成为全世界的共识，而我们青少年正处在生长发育阶段，对有毒有害物质比成年人更容易吸收，毒害作用更大。由于青少年正处于发育成长期，身体各系统和器官的发育尚不完善，抵抗力弱，吸烟对骨骼发育、神经系统、呼吸系统等均有一定程度的影响。烟草中的大量尼古丁对脑神经也有毒害，它会使学生记忆力减退、精神不振、学习成绩下降。更为严重的是吸烟一旦成瘾，就形成神经依赖，一时很难戒除。

不仅如此，青少年吸烟还可能养成不良的生活习惯，诱发不良行为。许多研究资料都表明，青少年一旦染上吸烟的不良习惯，就会吸烟上瘾，严重者甚至发展到吸毒，从而引发偷窃、抢劫等违法犯罪行为，以至于身陷监狱。

吸烟“百害而无一利”，影响健康，缩短寿命。其实我们每天还有很多人都在被动吸烟，被动吸烟俗称二手烟，危害更大。因此，我们除了洁身自好以外，还要自觉抵制和劝诫他人。对家人、对公共场所吸烟的人，我们应当适时予以提醒，使之尽量克制，从而减少吸烟，也减少被动吸烟。

21世纪应该是一个文明健康的世纪，我们要携手共同创建一个洁净健康的环境。为此，我们倡议：

1、“拒吸第一支烟，做不吸烟的新一代”。

2、鼓励和监督身边的亲人、朋友戒烟。

让我们一起努力，为创建无烟校园、创建文明校园贡献我们的力量！

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