Kenneth R GinsburgKenneth R. Ginsburg, M.D., M.S.Ed., is board certified in adolescent medicine. He practices at the acclaimed Children's Hospital of Philadelphia and teaches at the University of Pennsylvania School of Medicine. He is the on-screen expert in a bestseling video series shown to teens in schools throughout North America. He lives in Philadelphia, Pennsylvania.

Martha M. Jablow has written extensively on parenting as the author or coauthor of six books and numerous articles. She lives in Philadelphia, Pennsylvania. Read More Read Less