Chronic obstructive pulmonary disease (COPD) caused by smoking, known as tobacco disease, is a permanent, incurable reduction of pulmonary capacity characterized by shortness of breath, wheezing, persistent cough with sputum, and damage to the lungs, including emphysema and chronic bronchitis. Smokers have a 25% risk of developing COPD.
The chronic cough associated with smoking is largely due to paralysis of the small hairs which sweep mucus and debris out of the lungs (the mucociliary escalator) and up the windpipe to the back of the mouth, from where they are swallowed. Impairment of this system means that mucus collects in the lung bases, and the "smoker's cough" is an attempt to clear this. It cannot be treated, but tends to resolve if the smoker can quit.
2007-10-30 22:07:44
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answer #1
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answered by Aaron A 3
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Emphysema is caused by the chemicals in tobacco smoke. Lung tissue is destroyed and the lungs develop large holes that blow up like balloons. This makes breathing very difficult and is caused by heavy smoking. It is a disease of the alveoli. If the alveoli have been broken, blown up, or blocked by tar, the surface area is reduced. This makes oxygen exchange more difficult. Emphysema makes people breathe faster and wheeze.
Carcinogens are in tobacco smoke and cause cancer of the lungs, mouth, gullet and bladder. Nine out of ten people who die of lung cancer are heavy smokers.
Bronchitis is mostly a smoker's disease. The passages to the lungs are swollen and sore because the smoke irritates them. Tiny hairs called cilia usually keep these passages clear but these cilia are stopped working by cigarette smoke and the lungs fill with mucus and tar. People try to remove the mucus by coughing. This is smokers cough. Smokers get chronic bronchitis because the cilia aren't working. None smoker's get acute bronchitis. Bronchitis is caused by an infection which makes the body produce more mucus, so non-smokers' cilia can remove the mucus and the bronchitis goes.
Tobacco smoke can cause sore eyes, throat, and can cause headaches. It can irritate babies and make hay-fever and asthma worse.
Pregnant mothers who smoke have smaller babies, which means the child may be weaker.
Heart disease is three times more common amongst smokers. Smoking increases and encourages fat to be deposited on the artery walls and nicotine narrows them. This leads to chest pains and perhaps a heart attack.
2007-10-30 22:11:50
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answer #2
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answered by Bethyll D 2
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2014-08-30 05:08:14
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answer #3
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answered by Anonymous
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emphysema, lung cancer...
if you really want to impress your teacher; talk about the body going into hypoxic drive.
basically it works like this: your chemo-receptors see an increase in carbon dioxide and tell you to breathe so you can exhale the CO2. Eventually, with diseases like emphysema and COPD, your body no longer worries about CO2, simply because it needs to worry about getting proper amounts of Oxygen instead. So the chemorecepters go "hey brain, need some O2; let's breathe!" and you breathe. These people are usually the ones on home oxygen, who can barely say anything without taking a breath, and sometimes need a fan just to feel like they're breathing adequately.
2007-10-30 21:57:54
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answer #4
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answered by Anonymous
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Lung cancer - thie biggie!
Chronic bronchitis
Chronic obstuctive pulmonary disease (COPD, for short)
Those are the most common respiratory disease caused by smoking. But smoking can also cause a variety of heart diseases too.
2007-10-30 21:59:05
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answer #5
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answered by Richard B 7
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2016-04-24 07:29:21
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answer #6
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answered by ? 4
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Chronic bronchitis - the inflammation of the bronchi due to accumulation of mucus Emphysema - the destruction of the alveoili Heart disease - nicotine and other substances cause blood clotting in the coronary arteries causing heart faliure
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2016-04-14 00:45:30
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answer #7
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answered by Anonymous
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2016-01-29 18:42:08
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answer #8
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answered by ? 3
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Various cancers. Emphysema. Lung disease.
2007-10-30 21:58:25
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answer #9
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answered by Diabelle 2
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Cigarette Smoking and Cardiovascular Diseases
AHA Scientific Position
Cigarette smoking is the most important preventable cause of premature death in the United States. It accounts for nearly 440,000 of the more than 2.4 million annual deaths. Cigarette smokers have a higher risk of developing several chronic disorders. These include fatty buildups in arteries, several types of cancer and chronic obstructive pulmonary disease (lung problems). Atherosclerosis (buildup of fatty substances in the arteries) is a chief contributor to the high number of deaths from smoking. Many studies detail the evidence that cigarette smoking is a major cause of coronary heart disease, which leads to heart attack.
How does smoking affect coronary heart disease risk?
Cigarette and tobacco smoke, high blood cholesterol, high blood pressure, physical inactivity, obesity and diabetes are the six major independent risk factors for coronary heart disease that you can modify or control. Cigarette smoking is so widespread and significant as a risk factor that the Surgeon General has called it "the leading preventable cause of disease and deaths in the United States."
Cigarette smoking increases the risk of coronary heart disease by itself. When it acts with other factors, it greatly increases risk. Smoking increases blood pressure, decreases exercise tolerance and increases the tendency for blood to clot. Smoking also increases the risk of recurrent coronary heart disease after bypass surgery.
Cigarette smoking is the most important risk factor for young men and women. It produces a greater relative risk in persons under age 50 than in those over 50.
Women who smoke and use oral contraceptives greatly increase their risk of coronary heart disease and stroke compared with nonsmoking women who use oral contraceptives.
Smoking decreases HDL (good) cholesterol. Cigarette smoking combined with a family history of heart disease also seems to greatly increase the risk.
What about cigarette smoking and stroke and peripheral arterial disease?
Studies show that cigarette smoking is an important risk factor for stroke. Inhaling cigarette smoke produces several effects that damage the cerebrovascular system. Women who take oral contraceptives and smoke increase their risk of stroke many times. Smoking also creates a higher risk for peripheral arterial disease and aortic aneurysm.
What about cigar and pipe smoking?
People who smoke cigars or pipes seem to have a higher risk of death from coronary heart disease (and possibly stroke), but their risk isn't as great as that of cigarette smokers. This is probably because they're less likely to inhale the smoke. Currently there's very little scientific information on cigar and pipe smoking and cardiovascular disease, especially among young men, who represent the vast majority of cigar users.
What about passive or secondhand smoke?
The link between seconhand smoke (also called environmental tobacco smoke) and disease is well known, and the connection to cardiovascular-related disability and death is also clear. About 37,000 to 40,000 people die from heart and blood vessel disease caused by other people's smoke each year. Of these, about 35,000 nonsmokers die from coronary heart disease, which includes heart attack.
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2007-10-31 04:26:55
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answer #10
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answered by Anonymous
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