http://www.huffingtonpost.com/2012/0...n_1577497.html
That is probably a pretty good reason why the NFL does not want to deal with head injuries. I am sure in 20-25 years we will look back at people who thought head injuries were not a big deal the same way that we chuckle at the idea that smoking does not cause lung cancer. And in much the same way that Sterling Sharpe has not killed anyone, my grandmother is 91 and she smoked her entire life, therefore smoking does not cause lung cancer.