Thursday 22 January 2009

Should i worry about low blood pressure?

Low Blood Pressure

There are fewer health risks associated with low blood pressure than high. Less strain is put on the blood vessel walls so there's a lower risk of damage and atherosclerosis.


A sudden fall in blood pressure may cause problems. This can happen with a rapid change in posture - say if you get up quickly from sitting or get out of bed too quickly. This effect is known as "postural hypotension". When we stand up, blood vessels called arterioles have to constrict to maintain blood supply to the brain - if this does not happen quickly enough we can feel dizzy or faint, but this feeling should pass.


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