CNN Fareed Zakaria GPS July 21, 2013 14:42:00
Of times before you begin to show those symptoms. >> and you add to cte, as you said, the other physical damage that having these very large, almost deliberately bulked up people crashing into each other. >> you can't play offensive lineman in the nfl now unless you are well over 300 pounds. we see linemen who are now 350 pounds. well, these are people whose natural weight is probably 200, 210. so we're adding 140 pounds of playing weight over the course of five and ten years. we're starting in high school. there are now high school offensive and defensive linemen who are north of 300 pounds. ...