A circulatory system (cardiovascular system in biology classes) is an organ system that moves substances to and from cells; it can also help stabilize body temperature and pH (part of homeostasis). There are three types of circulatory systems (from simplest to most complex): no circulatory system, open circulatory system, and closed circulatory system.
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American Heart Association: Cigarette Smoking And Cardiovascular Diseases - Cigarettes are the most important preventable cause of premature death in the United State. Most of those deaths are from heart disease, not cancer. The facts from the AHA.
Meta Description: [ Cigarette smoking is the most important preventable cause of premature death in the United States. It accounts for more than 440,000 of the more than 2.4 million annual deaths. ]
Ex-Smokers May Have Irreversible Damage To Arteries - New research from one of the most comprehensive studies indicates that while most risks subside after quitting, some damage is not reversible.
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How to prevent heart disease - Concise factsheet explaining how to prevent heart disease, available for downloading in Adobe acrobat format.
Preventing Heart Disease - Smoking - Short section on smoking and the hart.
Six-month Public Smoking Ban Slashes Heart Attack Rate in Community - Report on study in which the number of heart attack victims admitted to a regional hospital was found to have dropped by nearly 60 percent during the first six months that a smoke-free ordinance was in effect in the community.
Meta Description: [ In the first study of its kind, researchers have found that the number of heart attack victims admitted to a regional hospital dropped by nearly 60 percent during the first six months that a smoke-free ordinance was in effect in the area. ]
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Smoking and Cardiovascular Disease - Concise summary of effects of smoking on the heart, blood vessels, and brain.
Smoking and Stroke: A Caustive Role - All tobacco products, including cigarettes, cigars, and pipes, cause stroke.
Smoking, the Heart, and Circulation - ASH-UK Factsheet on smoking and chronic heart disease, arterial disease, aneurysms, vascular disease, and stroke.
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Stroke Risk Increases With Every Cigarette Smoked - Recent research finds that cigarettes cause all three kinds of stroke, and the more cigarettes, the more strokes.
The Connection Between Smoking and Heart Disease - What cigarettes and other tobacco products do to the heart and arteries; how they cause hypertension, stroke, and heart disease.
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