Oh and btw, I read somewhere that "Transcranial Doppler", is able to determine if too much/little blood is flowing through your brain in case it gets worse or is a persistent problem


A little info:

http://my.clevelandclinic.org/servic...l_doppler.aspx


"Does brain blood flow change after concussion?"

http://sportsmedresearch.blogspot.co...nge-after.html