Youth Exposure and Response to the FDA Health Warning Label on Electronic Cigarettes Packaging: Policy Implications.

Introduction: Youth represent a high-priority group for e-cigarette health communication. This study examined youth exposure to the Food and Drug Administration (FDA) e-cigarette warning label over 4 years and its association with change in youth harm perception and intention.

Aims And Methods: We pooled data from the 2018-2021 National Youth Tobacco Survey (age 10-17; n = 67 159).