This book covers the developmental and health problems unique to the adolescent period of life. It focuses on special needs and public health programs for adolescents. It offers deep insight into smoking, violence, teen pregnancy, HIV/AIDS, and other problems, along with intervention and prevention strategies. "Anyone serious about improving adolescent health should read this book. It spans theoretical and developmental constructs, summaries of evidence-based interventions for adolescent risk behaviors, metrics, and policy recommendations." S. Jean Emans, MD, chief, Division of Adolescent Medicine, and Robert Masland Jr., chair, Adolescent Medicine, Children's Hospital Boston, and professor of pediatrics, Harvard Medical School "This is the one single text that students can use to study adolescent health. It includes contributions from many of the world's most accomplished researchers to provide learners with cutting edge information to make the study of adolescence understandable and applicable in practical settings." Gary L. Hopkins, MD, DrPH, associate research professor and director, Center for Prevention Research, and director, Center for Media Impact Research, Andrews University "This textbook presents an excellent balance in weighing the evidence from the risk and the resilience literature, incorporating research in racially and ethnically diverse populations." Renée R. Jenkins, MD, FAAP, professor, Department of Pediatrics and Child Health, Howard University College of Medicine "This is an engaging, thorough, and thought-provoking statement of our knowledge about adolescence. " Wendy Baldwin, PhD, director, Poverty, Gender, and Youth Program, Population Council