America has a serious weight problem. Two-thirds of adults and nearly one-fifth of children in the United States are overweight, placing them at greater risk for heart disease, diabetes, and other chronic diseases including cancer and arthritis. Furthermore, obesity and its related health problems are placing a major strain on the U.S. health care…

The "Morbidity and Mortality Weekly Report" ("MMWR") Series is prepared by the Centers for Disease Control and Prevention (CDC). Data in the weekly "MMWR" are provisional, based on weekly reports to CDC by state health departments. This issue of "MMWR" contains the following studies: (1) Youth Risk Behavior…

Until recently, teen pregnancy and birth rates had declined steadily in the United States in recent years. Despite these declines, the United States has the highest teen birth rate and one of the highest rates of sexually transmitted infections (STIs) among all industrialized nations. To help young people reduce their risk for pregnancy and STIs,…

Until recently, teen pregnancy and birth rates had declined in the United States. Despite these declines, U.S. teen birth and sexually transmitted infection (STI) rates remain among the highest in the industrialized world. Given the need to focus limited prevention resources on effective programs, Advocates for Youth undertook exhaustive reviews…