High blood pressure: it’s complicated

By Margo White In Health

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18th February, 2012
High blood pressure is often referred to as the “silent killer”: it predisposes us to heart attacks and strokes but doesn’t present any symptoms, at least not until it’s too late. We’re encouraged to be afraid of it, but at what point does blood pressure become high? Well, this is where it gets complicated. Blood pressure refers to the amount of pressure exerted by our beating heart on the walls of our blood vessels. It’s described as two numbers; the first represents the maximum pressure exerted in each heartbeat (systolic pressure), while the second (diastolic pressure), represents ...

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