BBCNEWS BBC Wales Investigates June 2, 2021 01:36:00
We interviewed a neuropathologist who'd long been concerned about head injuries in sport. so have things changed? seven years on, we caught up. it's a very slow and slightly frustrating process. i'm slightly depressed and disappointed that sports haven't kind of got together properly on this. why is it a particular problem in physical contact sports? concussion is a form of brain injury. what we believe is happening is, deep down in the brain, the rotational forces, as the head is impacted and the brain rotates inside the skull, that actually there's some stretch and sheer on very fine fibres ...