The Youth Risk Behavior Surveillance System (YRBSS) monitors six types of health-risk behaviors that contribute to the leading causes of death and disability among youth and adults, including—

• Behaviors that contribute to unintentional injuries and violence

• Sexual behaviors that contribute to unintended pregnancy and sexually transmitted diseases, including HIV infection

• Alcohol and other drug use

• Tobacco use

• Unhealthy dietary behaviors

• Inadequate physical activity

Data from 2011 now available at: https://www.cdc.gov/healthyyouth/yrbs/?s_cid=fb1615