吸烟的危害演讲稿5篇

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吸烟的危害演讲稿5篇

吸烟的危害演讲稿篇1

“why do you want to smoke?”many people often ask questions like this.in recent years,there is a general tendency to more and more children also learn to smoke.they don't know the dangers of smoking,just think that smoking is cool, it's a trend.from the picture,we can come to a conclusion,smoking is equal to chronic suicide.

it is well known that a cigarette contains many chemical substances such as tar and nicotine.burning cigarettes can produce certain poisonous substances.therefore,smoking can harm not only smokers but also non-smokers around them.on the one hand,the hazardous chemicals will do harm to smokers’ lung cells and blood circulation,which can shorten their lifespan.on the other hand,non-smokers exposed to second-hand smoke are at high risk of many health problems.

to be brief,smoking is no less than chronic suicide,which destroys the health both smokers’ and people around them.people should try their best to give up smoking,for their own health, for the family.

吸烟的危害演讲稿篇2

smoking is a bad habit that does harm to smoker and others. many kinds of diseases and cancers are caused by smoking, such as tracheitis, lung cancer and many other diseases.

recent years, there are tens of thousands of people dying of smoking. but there still are many people enjoying smoking, because they think smoking is a kind of fashion and smoking is so cool, especially among teenagers.

in addition, smoking does harm to others as well. second hand smoking has been recognized harmful to other people.

even worse, it may cause more damages.

therefore, people should remember that smoking is harmful to others and those people who smokes should give up smoking as soon as possible.

翻译：

吸烟是个坏习惯，它对吸烟者和别人都有害。很多疾病和癌症是有吸烟引起的，比如说气管炎，肺癌还有很多其他疾病。近年来，成千上万的人死于吸烟。但是仍然有很多人喜欢吸烟，因为他们认为吸烟是一种时尚，很酷，特别是青少年。

另外，吸烟也会对别人有害。二手烟是公认的对别人有害的。更糟糕的是，它会带来更多伤害。因此，人们应该牢记吸烟有害他人，那些吸烟的人应该尽可能戒烟。

吸烟的危害演讲稿篇3

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。

吸烟的危害演讲稿篇4

as we all know, there are many people smoking, although everyone knows smoking is harmful to us. giving up smoking is not easy but addicted to it is quite easy, that’s why there are more and more people smoking. smoking and passive smoking is risk factor that leads to various diseases.

it has become world’s top 8 causes of death. more than 90% of lung cancer caused by smoking and lung cancer rates of smokers are 18 times over the non-smokers. besides, smoking also causes angiocardiopathy, digestive system disease, oral disease and so on. in addition, passive smoking causes great concern in recent years.

people have known that passive smoking also do great harm to human, too. therefore, many countries and regions prohibit people from smoking in public zones, in order to reduce the harm of secondhand smoke.

from my point of view, the best way to keep healthy is giving up smoke, for smoker’s own good as well as for others.

翻译：

众所周知，即使人们都知道吸烟有害健康，但现在依然有很多人吸烟。吸烟容易戒烟难，这就是为什么烟民越来越多的原因。吸烟以及吸二手烟都是导致多种疾病的危险因子，烟草已经成为全球第八大死因。超过90%的肺癌是由吸烟导致的，吸烟者患肺癌的几率是非吸烟者的18倍之多。

此外，吸烟也会导致心血管病、消化系统疾病、口腔疾病等。此外，吸二手烟在近些年也引起了人们很多的关注，它也会对人体造成危害。因此，为了减少二手烟伤害，许多国家和地区都禁止人们在公共场所吸烟。我认为，为了自己也为了他人的健康着想，保持健康的最好办法就是戒烟。

吸烟的危害演讲稿篇5

尊敬的各位老师、亲爱的同学们：

早上好！

“吸烟有害健康”在这个话题一直被人们关注着，大家都知道吸烟对我们的健康有着极大的伤害。近50多年来，世界各国特别是工业发达国家，肺癌的发病率和病死率均迅速上升，死于癌病的男性病人中肺癌已居首位。大量流行病学研究证实，吸烟是导致肺癌的首要危险因素。为了引起国际社会对烟草危害人类健康的重视，世界卫生组织建议将每年的5月31日定为世界无烟日。

香烟中的尼古丁、一氧化碳和多种其它金属化合物对人体危害很大，对青少年的影响更甚。据医学研究表明，青少年正处在生长发育时期，各生理系统、器官都尚未成熟，其对外界环境的有害因素的抵抗力比成人弱，易于吸收毒物。据调查，吸烟开始年龄与肺癌死亡率直接相关。15岁以下开始吸烟者死亡率为19.68%；20～24岁为10.08%；25岁以上为4.08%。这说明吸烟开始年龄越早，肺癌发生率与死亡率越高。同时，吸烟还会损害大脑，使思维变得迟钝，记忆力减退，影响学习和工作，使学生的学习成绩下降。心理研究结果表明，吸烟者的智力效能比不吸烟者低了10.6%。

我们也常听人说“饭后一支烟，快乐像神仙”，可事实并非如此吸烟的坏处就像繁星点点，数也数不完。烟草里有三种危险化学物质：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；一氧化碳能减低红血球将氧输送到全身去的能力。其实烟也是一种毒品，只是没有那么剧烈，国家没有禁止而已。

吸烟不仅会对自己的身体造成威胁，还会对你身边那些被动吸烟的人也造成极大的危害。

这一根根烟头，就像一只只毒药，徐徐的向我们逼近，给我们的生活和工作也带来了极大的威胁。假如你每天都处在烟雾中，你的身体会越来越虚弱，病魔会时时侵害你，甚至危及你的生命。可怕的是：一个每天吸15到20支香烟的人，极易患肺癌、口腔癌或喉癌致死的机率，要比不吸烟的人大14倍；极易患食道癌致死的机率比不吸烟的人大4倍；比死于膀胱癌的机率要大两倍；死于心脏病的机率也要大两倍。吸香烟是导致慢性支气管炎和肺气肿的主要原因，而慢性肺部疾病本身，也增加了得肺炎及心脏病的危险，并且吸烟也增加了高血压的危险。

现在，我郑重的呼吁大家，积极宣传吸烟有害健康的科学知识，让你的亲人、朋友放下手中的烟，形成禁烟的良好氛围，把禁烟纳入精神文明建设的轨道。

我们都要做“无烟青少年”做文明的主人！

让我们一起和家人幸福的生活，一起创造美好的未来吧！

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