The YRBSS monitors priority health risk behaviors that contribute to the leading causes of death, disability, and social problems among youth and adults in the U.S.. These behaviors, often established during childhood and early adolescence, include
Unhealthy dietary behaviors;
Inadequate physical activity;
Alcohol and other drug use;
Sexual behaviors that contribute to unintended pregnancy and sexually transmitted diseases, including HIV infection;
Behaviors that contribute to unintentional injuries and violence; and
The YRBSS includes national, state, and local school-based surveys of representative samples of 9th through 12th grade students. These surveys are conducted every two years, usually during the spring semester. The national survey, conducted by CDC, provides data representative of high school students in public and private schools in the United States. To view information specific to Michigan, select Michigan from the State listings.