Old blood collection: No worries! it's likely a hematoma - a fancy term for a collection of blood where it's not supposed to be. After a fall or an injury, these things can form and it might take weeks for your body to reabsorb them. And remember to always wear your helmet - getting a hematoma on your side is one thing... Getting the same type of bleeding in your head could be really bad! cheers!
Answered 11/23/2016
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