Is football as dangerous as boxing?

Nobody wants to hear what doctors discovered about the damage to the late Chris Henry's brain, but we all need to listen and re-consider the danger in the game of football, writes Johnette Howard for ESPN.

The idea that Henry was playing with brain damage that can only be diagnosed using brain tissue samples (which can't be culled until a person dies) ramped up concerns over how quickly athletes start to suffer from CTE -- and why they do.

Researchers say concussions aren't the only danger. Even the accumulation of lesser blows to the head -- the sort of contact that's intrinsic in football -- could be enough to eventually cause serious long-term brain damage. The threshold could be far lower than anyone previously thought.

That's a confounding dilemma for people who are trying to make organized football safe. If that's possible.