NFL Study Indicates Higher Rate of Dementia
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Helmets are not the answer. The brain has a certain amount of play inside the skull. It’s buoyed up in the cerebral spinal fluid. It sits in this fluid, floats. When the head suddenly stops, the brain continues, reverberates back. So when I hit, boom, my skull stops, but my brain continues forward for about a centimeter. Boom, boom, it reverberates back. So you could have padding that’s a foot thick. It’s not going to change the acceleration/deceleration phenomenon. And a lot of these injuries are rotational. The fibers get torn with rotation. You’ve got a face mask that’s like a fulcrum sitting out here: You get hit, your head swings around. That’s when a lot of these fibers are sheared—by rotation. A helmet can’t ever prevent that.[EDIT: There are some people who disagree with the research in GQ, and they may very well present valid points. I'm not suggesting GQ is or isn't an objective news source]
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