harmful effects of smoking

May 14, 2007 5:30am CST
Besides the nicotine the tobbaco smoke contains carbon monoxide(co), polycyclic aromatic hydrocarbons and tar.all these and other substances cause following deseases like cancer, cardiovascular diseases, emphysema, coughing and chronic bronchitis,pulmonary tuberculosis, gastric and duodenal ulcers, effect on immune system, decrease in oxygen carrying capacity. more and more people are quitting this ill habit, but more number of people are acqiring it. Non smokers dont like foul smell coming from smokers, so eventually it degrades the social circle of the person.
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