Negating facts in scientific community is a stand of many lawyers hired by CFL and NHL. Enough has been demonstrated with surgical and imaging techniques that concussions caused by violent contacts and leads to degenerative disease of brain tissue.  Denial will lead to court cases including some criminal charges. Then legal staff will be forced to face major litigation claims, resulting in significant penalties worth over $ 1 billion. Then injured players will find a bit of comfort. Deaths of young men have been several in North America and franchise owners must face the facts rather than deny them. Money is the only way to get all these lawyers to face reality. Life means performance for these folks rather than human beings duration of quality-of-life.