Christopher M. Johnson, MD, has been practicing pediatrics and talking to the parents of sick and injured children for thirty years. During much of his career, he was director of the Pediatric Critical Care Service at the Mayo Clinic and professor of pediatrics at Mayo Medical School, as well as director of the pediatric intensive care unit at Mayo Eugenio Litta Children’s Hospital. He is the author of Your Critically Ill Child: Life and Death Choices Parents Must Face,How to Talk to Your Child’s Doctor: A Handbook for Parents, and How Your Child Heals (Rowman & Littlefield).He writes a regular column on children’s health issues for PTA Magazine.