Episode 42: A public health expert passes on football's full body collisions for youth

If there was one moment that led Kathleen Bachynski to a career studying the public health significance of sports injuries and violence, it was blowing out her knee in three places as a high school soccer player. And after years of documenting the many ways that football in particular can harm young players, she's got one rule: no full-body collision sports for kids. This week, she discusses the risks taken by youths in one of the country's most revered sports.