Death of Hockey 'Enforcer' Raises Mental Health Concerns...

Aired: 12/6/2011 | 0:08:20 | Clip
Derek Boogaard, an NHL hockey player, died in May at the age of 28 from an overdose of alcohol and drugs. Research done after his death has found that he suffered from a degenerative brain disease caused by repeated blows to the head. The New York Times has published an extensive series on Boogaard's life and death.