Heart disease isn't contagious — you can't catch it like you can the flu or a cold. Instead, there are certain things that increase a person's chances of getting cardiovascular disease. Doctors call these things risk factors.
Some of these risk factors a person can't do anything about, like being older and having other people in the family who have had the same problems. But people do have control over some risk factors — smoking, having high blood pressure, being overweight, and not exercising can increase the risk of getting cardiovascular disease.
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