Morbidity and Mortality Weekly Report Surveillance Summaries / Vol. 71 / No. 5 March 11, 2022 Tobacco Product Use and Associated Factors Among Middle and High School Students — National Youth Tobacco Survey, United States, 2021 U.S. Department of Health and Human Services Centers for Disease Control and PreventionSurveillance Summaries CONTENTS Introduction ............................................................................................................2 Methods ....................................................................................................................3 Results .......................................................................................................................6 Discussion ............................................................................................................. 11 Limitations ............................................................................................................ 13 Conclusion ............................................................................................................ 13 References ................................................................................