True, fortunately or unfortunately, depending on how you look at it, the testing doesn't include an actual scan of you brain. And some of the concussion damge a brain suffers isn't truely discovered until an autopsy is performed after death. The way Dr. Omalu makes it sound, the tests that NFL gives look for obviousy signs of extreme damage, but the lack of those signs should not be confused with thinking there's no damage there. As he stated in his interview, in the end it's up to the player to have enough information on the possibility of concussions and to do what's in his or her best health interest. He was saying Tua should have said "I'm not going back in." I personally understand what the doctor is is saying, but it's also clear that he's never played football, boxed or took part in any sport with a ton of contact. It's hard, if not impossible to get a player to take himself out of a game due to something like Tua had on Sunday. Where I struggle with the whole debate the most is in term of how I would want to handle the situation if it involved my son or daughter. If you have a child who bangs their head and some people somewhere are question brain damage, but the doctor on site says he thinks they're good to go, would I want them back in the game or take them out to ere on tha side of caution?