Nightly News
| September 07, 2011
Concussion focus: Sidney Crosby out indefinitely
Sidney Crosby’s struggle to recover from concussions, is a call to pay attention to what some call a silent epidemic. Crosby, a star hockey player for the Pittsburgh Penguins announced today he is sidelined indefinitely with post-concussion symptoms and will not come back until he is “100 percent.” NBC’s Peter Alexander reports.