Heart disease caused due to smoking


over the world. Cigarette smokers have a very higher risk of developing a number of chronic disorders. They include fatty buildups in arteries, several types of cancer and chronic obstructive pulmonary disease. 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 the 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 cause high blood cholesterol, high blood pressure, physical inactivity, obesity and diabetes. The six major independent risk factors for coronary heart disease that can be modify or control. Cigarette smoking is so widespread and significant as a risk factor that the Surgeon General has called it as the leading preventable cause of disease and deaths. Cigarette smoking increases the risk of coronary heart disease by itself. When it acts with the other factors, it greatly increases risk. Smoking increases blood pressure and 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 as it produces a greater relative risk in persons under age 50 than in those over 50.
What about the cigarette smoking, stroke and peripheral arterial disease?
Studies show that cigarette smoking is important risk factor for stroke. Inhaling cigarette smoke produces several effects that damage the cerebrovascular system. So 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 too.
Cigar and pipe smoking
People who smoke cigars or pipes seem to have 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 are less likely to inhale the smoke. Currently, there is very little scientific information on cigar and pipe smoking and cardiovascular disease especially among young men, who represent the vast majority of cigar users.
Passive or secondhand smoke
The link between secondhand smoke or environmental tobacco smoke and disease is well known, and the connection to cardiovascular-related disability and death is also clear.

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