Jeffery Belden, a family physician and associate professor at the University of Missouri medical school who went through its communication training last year, says that after 25 years in practice, he was skeptical at first.

WSJ: Talking Cure for Health Care: Improve Doctors' People Skills

Dr. Jon Drezner, an associate professor of family medicine at the University of Washington and team physician for pro football's Seattle Seahawks, said blunt trauma to a child's chest can send the heart into an abnormal rhythm.

CNN: STORY HIGHLIGHTS