bill: the helmet to helmet. when you were playing they could smash you all day long. i remember seeing you at the stadium with the oakland raiders and they were coming in whack you on the sideline. that s right. bill: that was so brutal when you were playing it was almost frightening. do you regret the toll it took on your body? you know, no. in a sense i m lucky because i know things could be worse. my insides are good shape. my heart and liver and my kidneys and all that stuff. the other thing, from time to time painful but i consider myself very lucky. i don t know if i had a son, i don t know i would wanted him to play football if he wanted to play, i would let him.
year. it s a safer game today. the nfl as a league have prohibited some types of hits. bill: they try to save the quarterback the helmet to helmet. they can t they smash you. when you were playing they would smash you all day long. i remember seeing you at chase stadium with the oakland radars, they were coming in 10 minutes after the play and they would whack you. it is ridiculous. they would whack you when you were on the sideline. whack you. so they have that was so brutal when you were playing, particularly in the afl that it was almost frightening. do you regret the tool it took on your body? no. in a sense, i m lucky. because i know things could be worse. you know, my insides are in good shape. my arm, my liver, my kidneys, all that stuff. and things from time to time painful, but i consider myself
year. it s a safer game today. the nfl as a league have prohibited some types of hits. bill: they try to save the quarterback the helmet to helmet. they can t they smash you. when you were playing they would smash you all day long. i remember seeing you at chase stadium with the oakland radars, they were coming in 10 minutes after the play and they would whack you. it is ridiculous. they would whack you when you were on the sideline. whack you. so they have that was so brutal when you were playing, particularly in the afl that it was almost frightening. do you regret the tool it took on your body? no. in a sense, i m lucky. because i know things could be worse. you know, my insides are in good shape. my arm, my liver, my kidneys, all that stuff. and things from time to time painful, but i consider myself
year. it s a safer game today. the nfl as a league have prohibited some types of hits. bill: they try to save the quarterback the helmet to helmet. they can t they smash you. when you were playing they would smash you all day long. i remember seeing you at chase stadium with the oakland radars, they were coming in 10 minutes after the play and they would whack you. it is ridiculous. they would whack you when you were on the sideline. whack you. so they have that was so brutal when you were playing, particularly in the afl that it was almost frightening. do you regret the tool it took on your body? no. in a sense, i m lucky. because i know things could be worse. you know, my insides are in good shape. my arm, my liver, my kidneys, all that stuff. and things from time to time painful, but i consider myself
repeated blows to the head, the kind that you get on a football field can have lasting reprecussions. especially for young people. some states are writing new laws. in fact, one just took effect this month here in california. any player on a high school or middle school team who gets a concussion must be cleared by a trainer or doctor before going back on the field. even then, though, the risk is hard to gauge. you can t really see damage to the brain unless you actually look inside. of course, by then it s too late. reporter: football is a violent game, full of big hits. what are all those collisions doing to the brain inside those helmets? i met with kevin, a research esh from the university of north carolina. he can actually measure the intensity of those hits. so i m going to give a moderate hit and see what happens. so it s recorded up here at 23.6 g s of acceleration. he recently won a mcarthur genius grant for his work on concussions in football. he is going