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Questions tagged [blood]

The liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body, or an internal bodily fluid that performs a similar function in invertebrates.

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5 votes
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What do these blood tests mean in general and why do doctors ask for them before taking action?

My doctor ordered some blood tests for me. I would like to understand what each test is for, meaning what information could be gathered from the results. W.B.C. Platelets E.S.R. C.R.P. Alpha feto ...
Ahmad Ali's user avatar
12 votes
3 answers

how many 'lives' are saved from one donation of blood?

The red cross claims that donating blood can 'save up to three lives' That seems a highly exaggerated best case scenario. I'm curious, how many lives are really saved from a unit of blood? ...
dsollen's user avatar
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9 votes
1 answer

Is it possible to change person's blood group?

Is it possible to change person's blood group? I know it is not possible to change person's DNA, so what about blood group?
Esther Beth's user avatar
5 votes
1 answer

What are the health benefits of cold showers?

Apart from the increased circulation and sperm production (in men) what long term and short term benefits can you get with a cold shower every day? To clarify, short term effects such as immediate ...
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