The 10-volume "Health Facts" series is intended to supplement health education curricula and provide a handy reference for individuals who would like additional background information on particular health topics. The emphasis is placed on topics and examples relevant to youth of middle and high school age. The five sections in this book provide teacchers with basic facts about: development of mental and emotional health; the conditions and arenas of self-esteem; the types and levels of communication; the role of stress in the maintenance of mental and physical health; and the major threats to the mental and emotional health of children and youth, including suicide and depression. An easy to read reference format offers clear, concise data intended to familiarize educators with the most important facts about the issues and concerns. A glossary, a list of resources, and 31 references complete the volume. (LL)