CBSNews.com—March 29, 2008
In mixed martial arts, opponents punch and grapple each other to submission. It's a huge draw on pay-per-view TV, and what the big boys do...their little brothers want to try. Dr. Jordan Metzl, assistant attending pediatrician at New York's Hospital for Special Surgery, examines the dangers of an alarming children's sport: ultimate fighting.
Watch the full story on CBSNews.com.