After Damar Hamlin’s collapse, what parents need to know about cardiac arrest in young athletes

The onfield collapse of Buffalo Bills safety Damar Hamlin during a football game has put a new spotlight on contact sports safety. More than 60 million children in the United States participate in organized sports, and cardiac arrest is the leading cause of death among young athletes. Norah O’Donnell visited an ice rink to speak with a doctor about how parents can protect their children.