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MedlinePlus is an online health information resource for patients and their families and friends. It is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). Learn more about MedlinePlus
- FEATURED TOPIC
- High Blood Pressure
- High blood pressure (hypertension) develops when blood flows through arteries at higher than normal pressures. It increases the risk for heart disease and stroke.
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