Blood pressure is simply a measure of how hard blood pushes against the walls of arteries as it moves through the body. It is expressed in two numbers, with the systolic reading (when the heart is pumping) followed by the diastolic reading (between heartbeats). Blood pressure is generally considered normal when its lower than 120/80 and high when its 140/90 or above.

Blood pressure is simply a measure of how hard blood pushes against the walls of arteries as it moves through the body. It is expressed in two numbers, with the systolic reading (when the heart is pumping) followed by the diastolic reading (between heartbeats). Blood pressure is generally considered normal when its lower than 120/80 and high when its 140/90 or above.

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