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Blood pressure: What do the numbers mean and why do they matter?
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Blood pressure: What do the numbers mean and why do they matter?

by Laura Williamson It’s a standard part of any medical visit. Someone, typically a nurse, wraps a cuff around your arm and asks you to sit quietly while the cuff squeezes to the point of discomfort, then slowly eases its grip. Some numbers get jotted down in your chart. “136 over 79.” What does that...