10 Causes of Heart Attacks
Reviewed: Dr. Gromatzky
Cause #7: Smoking
Smoking is one cause of a heart attack. The carbon monoxide in tobacco smoke reduces the normal amount of oxygen in the blood, which means that the heart muscle and all the other body tissues and organs will receive blood that is less oxygenated than it should be.
Smoking also damages the inner lining of the arteries, leading to a buildup of fatty minerals and the formation of atherosclerotic plaques that will narrow the arteries, increasing the odds of having a heart attack. If you are a smoker, a wise thing to do is to quit smoking immediately.
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