14 maio 2007 ano - New MTBI chair nicknamed "Dr. No"
Descrição:
On HBO Real Sports, Dr Casson denies any evidence of a link between concussions in NFL players and depression or dementia.
Adicionado na linha do tempo:
How football has gotten where they are with concussions
A look at the history of how the phenomena of concussions gr...
Data:
YouTube: