Nine Football Players Killed By Brain Trauma

Jeff Fecke @ Care2 - Unquestionably the most popular sport in the United States, professional football is a ten billion dollar a year industry, and high-level college football brings in billions more. The sport is at the top of its game, and with Super Bowl XLVII coming up on Sunday, it’s easy to think that football can only continue to get more popular.

Behind the scenes, though, there is increasing concern that football could be in trouble.  Read more.