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Blood pressure is the pressure of the blood against the walls of the arteries. Optimal blood pressure is less than 120 mm Hg systolic and 80 mm Hg diastolic. High Blood Pressure, or hypertension, is a condition in which blood pressure levels are above the normal range. Blood pressures of 120-139 mm Hg and/or 80-89 mm Hg are considered prehypertension. Blood pressure is considered high if it is 140 mm Hg and/or 90 mm Hg or higher. High blood pressure increases the risk for heart attack, angina, stroke, kidney failure and peripheral artery disease (PAD). High blood pressure may also increase the risk of developing fatty deposit in arteries (atherosclerosis). The risk of heart failure also increases due to the increased workload that high blood pressure places on the heart.
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