In the aftermath of a traumatic brain injury, the brain remains extremely fragile. Because neurons are still starved for energy, even a minor “secondary impact” can unleash a devastating molecular cascade. All of a sudden, brain cells that seemed to be regaining their balance begin committing suicide. The end result is a massive loss of neurons. Nobody knows why this loss happens. But the loss is permanent.
And these thoughts from a top coach:
Rollinson then leans forward in his chair, as if he’s about to tell me a secret. “Look, most of my players aren’t going to play ball for a living,” he says. “I know they don’t want to hear that, but it’s the truth. So there’s really no reason they should risk messing up their brain.”