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High Blood Pressure

What Is High Blood Pressure?

Over time, high blood pressure can cause

  • your heart to work too hard and become larger or weaker, which can lead to heart failure.
  • small bulges (aneurysms) to worsen in your blood vessels. Common locations for aneurysms are the aorta, which is the main artery from the heart; the arteries in your brain, legs, and intestines; and the artery leading to your spleen.
  • blood vessels in your kidneys to narrow, which can cause kidney failure.
  • blood vessels in your eyes to burst or bleed, which can cause vision changes and can result in blindness.
  • arteries throughout your body to "harden" faster, especially those in your heart, brain, kidneys, and legs. This can cause a heart attack, stroke, or kidney failure.