Adolescent health sourcebook : basic consumer health information about adolescent growth and development, puberty, sexuality, reproductive health, and physical, emotional, social, and mental health concerns of teens and their parents, including facts about nutrition, physical activity, weight management, acne, allergies, cancer, diabetes, growth disorders, juvenile arthritis, infections, substance abuse, and more, along with information about adolescent safety concerns, youth violence, a glossary of related terms, and a directory of resources. Fourth Edition. (Health reference series)