R Riley New member May 13, 2010 #1 should i be worried about a concussion. i dont know if i hit my head or not. can symptoms of a concussion show up a day later? or could it just be that im tired?
should i be worried about a concussion. i dont know if i hit my head or not. can symptoms of a concussion show up a day later? or could it just be that im tired?
