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What causes blue veins in hands?

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Answer:

Blue veins is caused by working hard. This is when your hands are active a lot. It is because a lot of blood is flowing through your hands to work them. The veins come to the surface because they are full of blood. This also happens on you feet as well.

First answer by Scooty.pop13. Last edit by Scooty.pop13. Contributor trust: 0 [recommend contributor ]. Question popularity: 3 [recommend question].

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