吸烟有害健康English.ppt

Smoking is hazardous to health.
What Are the Risks of Smoking.
Made by Chang haofeng
Health killer
Scientific researches show that smoking can lead to heart disease, cancer and other problem. The World anization says diseases linked to smoking kill at least two million five-hundred-thousand persons each year. It is estimated that approximately 50 million Americans smoke. 400,000 people are thought to die in America each year from smoking related causes. Yet even when smokers are presented with these figures they still smoke.
Cigarette ingredients (香烟的成分)
Nicotine尼古丁
Carbon monoxide一氧化碳
Tar焦油
Nitrosamine亚硝胺
Radioactive material放射性物质
Benzoapyrene苯并芘
Metal cadmium金属镉
Chloroethylene氯乙烯
The new smoking crowd
Female
In recent years, More and more women have joined the ranks of smoking. Many women believe that smoking is a very elegant (优雅)posture .Smoking is also a woman because of loneliness and sadness. The study also found that women smokers, the average serum HDL (好胆固醇) lower than non-smokers, the former heart attack was significantly higher than the latter.
Smoking hazards…
A large number of inhaled carbon monoxide to make the body hypoxia, can increase the above diseases .
Nicotine尼古丁 can speed up heart rate, High blood pressure
Smoking can damage lung function, sputum and toxic substances can not be ruled out, bacteria reproduced. Long-term stimulation would cause the formation of chronic bronchitis and chronic obstructive airway.
Second-hand smoke
Second-hand smoke harm to passive smokers than active smokers (主动吸烟者)do not light, especially for particularly serious crimes against children. Survey, in China, The main victims of passive smoking are women and children, Although they do not smoke themselves, but often in the family, public places, suffered second-hand smoke of others.
No
Smoking
World No-o Day世界无烟日
May 31 is World No o Day, A global scale, there are a large number of epidemiological studies confirm that (大量流行病学研究证实)smoking is