I have never heard of such a thing False Positive....Im no medical professional but my wife is a nurse and she never heard of such a thing either.....I dont think anyone would license Tommy so this is all just Talk.....Besides even if it were true Tommy has been away a long time and is no where peak....If he wants to stay invoolved in the game so bad try training or managing keep yourself healthy he had a decent career dont ruin what little bit of legecy you have by becoming a sideshow