Examining longitudinal associations between initial perceptions and experiences with electronic nicotine delivery system (ENDS) use and use patterns among adults who smoke and recently initiated ENDS.

Introduction: Limited data exist on factors associated with concurrent use patterns of electronic nicotine delivery systems (ENDS) and cigarettes. We examined longitudinally perceptions and experiences with ENDS in relationship to concurrent use patterns among established, recent smokers who recently initiated ENDS.

Methods: Participant recruitment took place using paid digital advertisements on social media.

Racial/ethnic disparities in exposure to e-cigarette advertising among U.S. youth.

Objectives: This study aims to assess exposure to e-cigarette advertising across multiple marketing channels among U.S. youth and to examine whether racial/ethnic disparities exist in exposure to e-cigarette advertisements.

Content analysis of IQOS direct mail and email marketing in the US.

Objective: Novel nicotine and tobacco products, including heated tobacco products (HTPs) like IQOS, are growing in global popularity. IQOS was the first HTP authorized for sale by the US Food and Drug Administration, entering the US market in 2019 and being removed in 2021 due to patent-related legal challenges, with the possibility of returning in 2024. Direct marketing is one method tobacco companies use to reach consumers of these products.

Reply to Foxon, F.; Shiffman, S. Comment on "Wang et al. Consumption of JUUL vs. Other E-Cigarette Brands among U.S. E-Cigarette Users: Evidence from Wave 5 of the PATH Study. 2022, , 10837".

In this reply, we respond to the comments by Foxon and Shiffman [...