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Word Count: 395
The Causes and Effects of Smoking Every year 420000 Americans die alone from smoking cigarettes It has been proven that about the only thing smoking does is shorten a persons life Smoking is very addictive causes cardiovascular disease and is very harmful to non-smokers So we all wonder why do people smoke if its so harmful Thousands of Americans try to stop themselves from smoking but cant due to the physiological dependence they develop Nicotine was recently declared addictive by the Food and Drug Administration which explains why many smokers continue to smoke despite the numerous warnings on cigarette boxes Nicotine has no direct effect on the heart or the blood vessels but it stimulates secretion of adrenaline the increase of adrenaline and then no adrenaline increases blood pressure and heart rate by about 10 for an hour per cigarette Melendez Ruth p 62-63 In other words nicotine causes the heart rate to beat more vigorously Also smoking cigarettes effects the cardiovascular system One of the two agents that effects this system is carbon monoxide This poison comes from inside the cigarette It poisons the normal transport systems of cell membranes lining the coronary arteries This productive lining breaks down thus exposing the undersurface to the ravages of the passing blood with all its clotting factors as well as cholesterol Journal of School Health p 303 Cigarette smoke contains radioactive polonium arsenious oxid Benzopyrene and levels of radon and molybdenum that are Twenty times the allowable limit for ambient factory air Not only are cigarettes harmful to smokers bodies but they are also very harmful to non-smokers as well The health of tens of thousands of non-smoking Americans a year are affected by cigarette smokers Of those who do not smoke 53000 will die and countless others will suffer from cardiovascular diseases American heart Association Studies have shown that small amounts of smoke are having
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