It's exciting to watch big, powerful guys bash into each other, and a well-executed hit makes an excellent addition to any highlight reel. The problem is that the human brain is not designed to absorb repeated impact.
There may not be a more important documentary release this year for the general health of (especially sports-playing) American kids than Head Games, an impactful look at the trauma inflicted by repeated concussions.
Seeing former NHL star Keith Primeau's teenage son light up to talk about how fighting is "pretty fun" gives us the conclusion the statistics can't yet provide: before the games can change, we need to.
[Head Games] owes more to Michael Moore's advocacy work than D.A. Pennebaker's cinema verite style, but in its own way, it's just as powerful a portrait of what sports mean to the people who play them.