Heart & Blood Vessels: Simple Clues to Your Heart
How does the heart affect blood pressure?
Each time the heart beats (contracts and relaxes), pressure is created inside the arteries. The pressure is greatest when blood is… read more
High Blood Pressure: Kids Can Have It Too
Can a child have hypertension?
About 3.5 percent of U.S. children aged 18 and under have hypertension (high blood pressure), but that number may be even higher. Most… read more
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