How student athletes get around career-ending head injuries

Aired: 1/11/2016 | 0:07:33 | Clip
Like the NFL, NCAA schools and teams have taken new precautions to protect student athletes from long-term effects of head injuries. But some players who have been medically disqualified are still finding a way to return to the field. Hari Sreenivasan talks to David Armstrong of online news site STAT.