The Lowdown on High Blood Pressure
Hypertension, more commonly known as high blood pressure, is defined as a systolic reading of 140 mm Hg or higher (the top number of a blood pressure reading) or a diastolic reading of 90 mm Hg or higher (the bottom number). Systolic pressure measures the pressure exerted on the artery walls when the heart beats; [...]
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01. Dec, 2011 
