I finally have an appointment for a CT scan of my head. I have been dealing with a sinus or something infection that showed up last May and has not responded to meds so I've dealing with headaches and tinnitus since then. Great medical system we have here as long as you don't need to use it. Anyway, as far as the poll goes I have had 4 major concussions and a few minor ones, plays rugby and a bunch of other contact sports, I have boxed and bounced so took my share of head shots, then there is the alcohol that has killed off a few brains cells. I'm figuring if I have 0 to 25% left I'm doing great...