This article outlines the characteristics of youth depression. It includes an interview with Kathleen McCoy, who authored a book on teenage depression. She discusses the causes of depression, the role of faith, what to do if you get depresssed, & what to do when a friend gets depressed or angry. She concludes by listing 10 things to do to prevent depression, such as admitting negative feelings, building self-esteem by setting short-term goals, keeping a journal, & exercising. (VM)