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A member asked:
Why does dehydration seem to make my really low hemoglobin and iron symptoms way worse??
A doctor has provided 1 answer
Not much reserve: To carry plenty of oxygen to everywhere in the body, especially the brain, one's blood needs to have enough volume (about 10 pints) and have enough red blood cells (about 40% of the blood is red cells). If a person is already very anemic, say about 28% instead of 40% red cells, and then she gets dehydrated and drops her blood volume, say down to 9 pints, she will be in bad shape and feel it.
Answered 11/9/2019
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