1、Smoking is harmful to health,Cherish life, stay away from tobacco,我國煙草問題現(xiàn)狀 吸香煙中的有毒物質 煙的致癌作用 吸煙對心、腦血管的危害 吸煙引起的問題,Tobacco issues present situation in our country Toxic substances in the smoke cigarettes The carcinogenic potential of smoke The harm of smoking on cardiovascular and cerebrovascular Probl

2、ems caused by smoking,3,一支香煙內包括了超過4000種不同的化學物質，其中有43種是致癌物質，所以每吸一支煙，亦同時吸入這4000 種化學物質，令壽命縮短515分鐘。,Inside a cigarette includes more than 4000 different chemicals, including 43 species is carcinogenic substance, so each one cigarette, also in this 4000 chemicals, to shorten the life of 5 to 15 minutes.,

3、4,Carbon monoxide 1. Carbon monoxide to slow down the blood circulation, make fat accumulation, vascular occlusion, increases the chances of coronary heart disease (CHD). 2. Long-term inhalation of carbon monoxide, makes the oxygen in the blood drop, make people easy to gas velocity, reduce movement

4、 force and accelerated aging. In large suction can cause heart, brain and other organs of oxygen condition. Smoking harm,在衛(wèi)生部發(fā)布的2006年中國“吸煙與健康”報告中，我們看到這樣的數(shù)據(jù)：2002年我國15歲以上人群吸煙率為35.8%，其中男性和女性吸煙率分別為66.0%和3.1%。由此估計，吸煙者約為3.5億，占世界煙民的三分之一。此外，我國吸煙人群有年輕化的趨勢，與20世紀80年代相比，開始吸煙的平均年齡由22.4歲降為19.7歲。我國既是煙草生產(chǎn)大國，也是煙草消費大

5、國。我國的煙草產(chǎn)量相當于其他7個最大煙草生產(chǎn)國的總和。我國每年銷售的香煙高達1.6萬億支，國人消費的香煙約占世界三分之一。如果將與吸煙有關的各種疾病所致的死亡均統(tǒng)計在內，目前每年約有100萬人因此死亡。,Nicotine 1. Lead to addiction. 2. Each cigarette containing 1 1.5 mg nicotine, 24% of which directly absorbed by smokers to smoke when, as in 60 70 mg can lead to death. 3. The nicotine increase blo

6、od viscosity, make cholesterol accumulation in the blood vessels, increasing the chances of the vascular occlusion. 4. Blood pressure, heart rate increases. 5. Hydrochloric acid in gastric juice secretion increased, smokers susceptible to gastric ulcer. 6. Hinder the transfer of oxygen.,It can resul

7、t in cough,6,Cherish life, stay away from tobacco,7,The dangers of smoking,Smoking causes cancer: 1. The study found that cigarette smoking is the most fastest way to produce free radicals, each a puff smoke will produce at least 100000 free radicals, which can lead to cancer and many chronic diseas

8、es. 2. Smoking can cause dizziness, nausea, sallow complexion, serious and even unstable, and so on. 3. Smoke cigarette, cigar or pipe, contains a number of different material, there are three kinds of the harmful substance, they are tar, nicotine and carbon monoxide, these three things is that many smokers die earlier.,8,Notice,Since smoking is really dangerous, we need try our b