ANSWERS: 3
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It's highly unlikely unless you have some kind of clotting abnormality.
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anything is possible but if someone is punching you maybe you should talk to the police about it
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Yes, but probably not in the way you mean. A bruise is caused when blood vessels rupture beneath the skin. Clotting stops the bleeding. So there is a blood clot. But it's not likely to cause a clot of blood in your artery that may break off and cause a stroke though which I think is what you're referring to.
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