I knew that American Football is not really a healthy sports, but that the serious injuries and traumata as well as the suicide rates due to brain degeneration processes is THAT high, I did not know. At a professional level at least, a good amount of reality denial seems to be part of the deal.
In German, sorry.
http://www.welt.de/sport/article1243...ig-bleibt.html
Add to that the immense weight and fat problem of certain player groups. That will take revenge on their bodies after their careers as well.
It seems to me it is a player processing industry.