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Does salt cause water retention

How does this work? I know that it can cause blood pressure to spike. Is that only a/an temporary/immediate effect? Is the blood pressure spike caused by salt simply attributed to thickening of the blood?
Asked On : Sun, 20 Dec 2009
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Salt doesn't thicken blood - dehydration can cause hemoconcentration. When you eat salt, the amount of sodium and chloride in your cells & tissues increases. Anytime there is a shift in what the body recognizes as normal, or homeostasis (means everything is in balance), the body will compensate in some way to re-establish the balance. In this case the body retains water to get the sodium/chloride balance back to what it should be. At least that's the way I understand it. The blood pressure spike is caused in part by the extra effort the heart needs to pump blood thru blood vessels crowded by swelling or fluid retention. That and probably some mechanisms related to kidney function that i am not smart enough to understand. That's it in a nutshell.
Answered: Sun, 20 Dec 2009
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