吸烟有害健康English.ppt.ppt

Smoking is hazardous to health.
What Are the Risks of Smoking.
Made by
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. In the UK, it is estimated that 1/4 of the populace smoke, approximately 13 million adults. As smoking decreases in the older population the trend is increasing amongst the young.
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. Smoking women with mild thyroid disease (轻度甲状腺病)may increase the smoking would be a clear increase indigenous women suffer from mild thyroid disease may lead to thyroid failure. 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, the formation of chronic bronchitis and chronic obstructive airway, and further to the development of emphysema, coronary heart disease .
Second-hand smoke
Second-hand smoke harm to passive smokers than active smokers (主动吸烟者)do not light, especially for par