This is a fantastic story, and a wonderful recovery, but getting to the end of it and coming across this line... it's great that he's helping coach these kids, but it would be even better to steer them in a direction where they won't end up with the same story, or worse. Never making it, but still having the same symptoms. There are other sports, way less impact.
I grew up playing soccer, and even there they, at least in the US, as I understand it from my nephews, heading the ball is illegal until high school.
Concussions are problems in all sports, but American Football is just about the worst, and on top of that does so much other damage from the heavy hits. Concussions are perhaps the most prevalent and biggest problem.