OBJECTIVES To identify violence related behaviors associated with injuries among adolescent males involved in fights. METHODS Data from the National Longitudinal Study of Adolescent Health were used to develop weighted estimates of injury prevalence and associations between injury and violence related behaviors. RESULTS Forty seven per cent injured others and 18% were themselves injured in ...

A growing epidemic is sweeping through the developed world, threatening millions with disability and death: obesity. ‘Epidemic’ may sound exaggerated, but the facts speak for themselves: 154 million people worldwide are obese—or more than 20% are over their ideal body weight—including more than 50% of all Americans. More disturbing is the prevalence of childhood obesity, which has jumped dramat...

BACKGROUND Violent behavior among adolescents is a significant problem worldwide, and a cross-national comparison of adolescent violent behaviors can provide information about the development and pattern of physical violence in young adolescents. OBJECTIVES To determine and compare frequencies of adolescent violence-related behaviors in 5 countries and to examine associations between violence...