大量的科学研究资料早就证明，吸烟对人体健康的危害十分广泛。所有烟草中均含有可导致人体发生多种致死性和致残性健康问题的毒素；吸烟者患癌症，尤其是肺癌、心脏病、肺气肿及其他致死性疾病的危险性会明显增加，全世界每年因吸烟死亡达250万人之多，烟是人类第一杀手。自觉养成不吸烟的个人卫生习惯，不仅有益于健康，而且也是一种高尚公共卫生道德的体现。以下就是关于吸烟有害健康的英语演讲，我们一定要重视吸烟有害健康这个问题，从自身做起，保护自己也保护环境。
1. Smoking And Health
Today smoking is a widespread habit all over the world. Not only the old, the youth, but also middle school students have been engaged in smoking. Many of them think that smoking is a smart symbol.
However, smoking is harmful to one’s ,health. It contributes a lot of lung cancer, from which many people have died in the past years. It can also cause many other diseases. In a word, if you smoke, you do have a much greater chance of losing your health. Furthermore, scientific research shows that smoking is not only harmful to smokers themselves, but also a threat to public health, especially to women and children. Therefore, many countries have made laws forbidding smokers to smoke m public places such as cinemas, stations, hospitals, and so on Give up smoking! If you don’t smoke, don’t start. Give up smoking for the sake of your health, for the sake of your family, and for the sake of the whole world.
2. 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.