Located almost in the center of the chest, the adult human heart is about the size of two fists held side-by-side.
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High blood pressure, or hypertension, increases the risk for coronary heart disease (heart attack) and stroke (brain attack). Read on for details about this condition.
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Hypertension, or high blood pressure, isn't limited to those 18 and older.
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Doctors often consider chronically low blood pressure too low only if it drops suddenly or causes noticeable symptoms.
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