Concern about physical inactivity among U.S. youth has been mounting in recent years, in light of studies suggesting that few adolescents (about one out of three) engage in recommended levels of physical activity. Although much attention has been paid to individual factors that may contribute to this problem, such as television viewing and…

Although most American adolescents are psychologically, socially, and physically healthy, adolescence remains a time of considerable change and risk. To examine what works to promote well-being among America's adolescents, Child Trends reviewed contributing influences and programs that lead to positive behavior in seven areas: mental health,…

Although the last 100 years have seen dramatic improvements in the health of U.S. children, there remain racial and ethnic disparities. This research brief presents data illustrating improvements in children's health and the need for further progress. The brief also examines new morbidities among American youth, such as obesity, early sexual…