关于吸烟危害的英文演讲

1、Topic：Smoking杨宏宽When you see those pictures, what can you think of ？Tobacco is a solanaceae annual herb plants, and it has about more than sixty varieties. But the real used in the manufacture of cigarette and tobacco, is basicly only red tobacco. At the middle of the 16th century, tobacco was intro

2、duced into China. It had more than 400 years of planting history. There are many varieties of cigarettes.CigarettesMore than 150 countries around the world of the statistical data shows that about 7% of the female adolescents are smoking. Produced during the burning cigarette smoke at least contains

3、 more than 2000 kinds of harmful .Part stays in the lungs, harmful substances in the smoke, part into the circulation of the blood flow to the body. 740 million people are killed by secondhand smoke. The World Health Organization (WHO) statistics show that the number of death in the world has reache

4、d 600 million every year because of smoking , more than for HIV/AIDS, tuberculosis, malaria in the sum of the deathThe nicotine tobacco is a kind of nerve toxin, main infringer of the nervous system. There are many factors causing myocardial infarction, such as high blood fat, high cholesterol, hype

5、rtension, diabetes, obesity, alcohol, stress, but the main factor is smoking.Why are there still many people smoking ?The temptation of nicotine, because of just 0.5 mg of nicotine. Nicotine enters the body can stimulate the brain the hypothalamus nerve produce exciting feeling.if stop suction nicot

6、ine, you will feel general weakness, even yawning, tears, feel pain. The effects of nicotine on the human body1, it can directly kill life. 2,it can destroy human nutrition. 3, it can cause a variety of diseases .1. Throw away smoking appliance.2. After dinner, drink water, eat fruit or take a walk, get rid of the idea of a smoke after a meal. 3. Make a plan. In order to keep you and