A member asked:

How long does it take for your body to recuperate standard blood values after a blood test?

A doctor has provided 1 answer

Instantly: The act of drawing blood doesn't alter your blood chemistry or cell content. Even if you hyperventilate, clench your fist, or produce extra catecholamines from a serious stick, the body returns to normal within a few moments.

Answered 8/5/2013

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