A member asked:

What exactly is blood pressure and how does it relate to the measured numbers?

A doctor has provided 1 answer

Arterial flow.: Blood pressure measures the flow of blood in your arteries. Zero means no flow. The average BP is 120/80 indicating the peak and resting pressure in arteries. Normal pressure varies substantially but higher pressures increase risk of stroke and heart attack.

Answered 6/10/2014

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