Peer E-Cigarette and Cannabis Use and Adolescent Anxiety: Findings from a Mixed-Methods Study.

Objective: Adolescents are typically motivated to conform to peer influence, including substance use behaviors, and it is likely that adolescents who deviate from their peers' substance use behaviors might experience stress and anxiety.

Method: A mixed-methods approach was utilized to examine the relationship between peer e-cigarette and cannabis use and symptoms of generalized anxiety among a diverse sample of 12 grade students in Los Angeles County, California, USA ( = 1,867, = 17.04, SD = 0.

Pandemic-related life changes and adolescent initiation of cannabis and tobacco/nicotine use.

Background: The COVID-19 pandemic required the public to alter their daily lives drastically. For adolescents, school closures and social isolation added further challenges to a stressful stage of life, potentially increasing the likelihood of substance use initiation. This study explored the relationship between adolescent substance use initiation and negative life changes due to COVID-19.