In the United States in 2014, 71% of all deaths among persons aged 10–24 years resulted from four causes: motor vehicle crashes (23%), other unintentional injuries (17%), homicide (14%), and suicide (17%) ().
These leading causes of mortality, morbidity, and social problems among youth and adults in the United States are related to six categories of priority health behaviors: 1) behaviors that contribute to unintentional injuries and violence; 2) tobacco use; 3) alcohol and other drug use; 4) sexual behaviors that related to unintended pregnancy and sexually transmitted infections (STIs), including HIV infection; 5) unhealthy dietary behaviors; and 6) physical inactivity.
YRBSS includes school-based national, state, and large urban school district Youth Risk Behavior Surveys (YRBS) conducted among representative samples of students in grades 9–12.
National, state, and large urban school distr ict surveys have been conducted biennially since 1991 ( Table 1).
Snr Const Ward said Tally had been issued with and signed two sets of paperwork concerning his rights and obligations as a reportable offender, which were also explained to him - one of those being that he had to seek consent from the Commissioner before trying to change his name.Additional information about YRBSS is available at This report summarizes results for 118 health behaviors plus obesity, overweight, and asthma from the 2015 national YRBS and overall trends in health behaviors during 1991–2015.These behaviors frequently are interrelated and are established during childhood and adolescence and extend into adulthood.To monitor priority health behaviors in each of these six categories, the prevalence of obesity, overweight, and asthma, and other priority health behaviors among youth and young adults, CDC developed the Youth Risk Behavior Surveillance System (YRBSS) ().