Nicotine and tobacco product use among US youth in 10th and 12th grade, 2023–2025: a repeated cross-sectional study

Summary: Background: Youth nicotine/tobacco use has shifted in recent decades. Updated national estimates are essential for policy and practice. We examined changes in youth nicotine/tobacco use in the United States (US) across three annual surveys (2023–2025) and assessed sociodemographic correlates and multi-product co-use patterns in 2025.