I today got a cut on my finger and I saw my blood was thick and sticky. It took less than 1 second to dry and clot as I rubbed it on my finger. Is thick blood bad for your health?

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    It's unlikely your blood is an abnormal viscosity or you would be very ill. However, if you live at high altitude it could be thicker than most people's. health.stackexchange.com/questions/3217/… – Carey Gregory Jun 13 '16 at 20:50
  • But I live in normal plain areas not in hills and also I am not ill, Can drinking less water make my blood thick.? – danny Jun 19 '16 at 6:10
  • Being dehydrated could make your blood a little thicker, yes, but I doubt it would be enough to even be noticeable. This notion that you have "thick blood" is just wrong. You most likely have perfectly normal blood. – Carey Gregory Jun 19 '16 at 14:20

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