Smoking
isn’t god to our health. Smoking can cause disease; they are lung cancer,
impotence, stroke, etc. It is because the cigarette contains some chemical that
is dangerous. They are nicotine, tar cyanide, benzene, cadmium, methanol
acetylene, ammonia, formaldehyde, Hydrogen cyanide, Arsenic, Carbon monoxide.
Toxic that is very dangerous of them are tar and nicotine. Some of Inhaled tar
is absorbed by lung cells, causing them to die. Tar also damages the cilia in
the upper airways that protect against infection. Then, nicotine causes
arteries to constrict, lowering skin temperature and reducing blood flow to the
hands and feet. Nicotine causes smoker to fell relaxed if they are smoking.
Smoking is very dangerous for smoker. One-third of smoking related deaths are caused by coronary heart disease or chronic airway obstruction. About 442.000 people in the United States die each year from illness caused by cigarette smoking. Beside that it is dangerous for passive smoker if they inhale smoke of cigarette. It is because cigar and pipe smoke contain the some toxic and cariogenic compounds found in cigarette smoke. A report by the National Cancer Institute conclude that the mortality rates from cancer of the mouth, throat, larynx, pharynx, and esophagus are approximately equal in users of cigarettes, cigars, and pipes.
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