Anyone who's managed to catch an NFL game or two this year is surely aware that the league is cracking down (with stiff fines and penalties) on the kinds of violent helmet-to-helmet hits that are likely to cause concussions to either the hitter of the hittee.
And for good reason � the NFL and a number of independent organizations have found that such head injuries can be far more damaging over the long-term than once thought.
Source:
http://www.autoblog.com/2011/01/19/nfl-asks-toyota-to-edit-helmet-to-helmet-hit-out-of-ad-w-video/
