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HighBloodPressureConnection.com

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Tuesday, November, 24, 2009
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Question
Apalia
04/17/08

What is the cause of my high blood pressure?

My comment is twofold. First, I am wondering if I have low blood volume. I cannot donate blood due to passing out at about the 1/2 pint range. I am not nervous about giving blood but each of the several times I've tried to donate, I get different degrees of almost passing out with the last try...
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