Football, dogfighting, and brain damage

Gladwell: "When I give speeches, the first question is always: ‘What about these new helmets I hear about?’ What most people don’t realize is that we are decades, if not forever, from having a helmet that would fix the problem. I mean, you have two men running into each other at full speed and you think a little bit of plastic and padding could absorb that 150 gs of force?"