Text Messages Exchanged Between Individuals With Opioid Use Disorder and Their mHealth e-Coaches: Content Analysis Study.

Background: Opioid use disorder (OUD) has affected 2.2 million people in the United States. About 7.

National Trends of Adolescent Exposure to Tobacco Advertisements: 2012-2020.

Background And Objectives: The objective of the current study is to evaluate the temporal trends in the prevalence of cigarette and electronic cigarette (e-cigarette) advertisement exposure by venue and sociodemographic correlates among US adolescents from 2012 to 2020.

Methods: We conducted a serial cross-sectional analysis of nationally representative samples of middle and high school youth from the 2012-2020 National Youth Tobacco Survey. Advertisement exposure was defined as self-report of seeing advertisements "sometimes," "most of the time," and "always.

Detecting risk level in individuals misusing fentanyl utilizing posts from an online community on Reddit.

Introduction: Opioid misuse is a public health crisis in the US, and misuse of synthetic opioids such as fentanyl have driven the most recent waves of opioid-related deaths. Because those who misuse fentanyl are often a hidden and high-risk group, innovative methods for identifying individuals at risk for fentanyl misuse are needed. Machine learning has been used in the past to investigate discussions surrounding substance use on Reddit, and this study leverages similar techniques to identify risky content from discussions of fentanyl on this platform.

Exploring how tobacco advertisements are associated with tobacco use susceptibility in tobacco naive adolescents from the PATH study.

Adolescents' susceptibility to pro-tobacco marketing advertisements puts them at risk for initiating and continued use of tobacco. The objective of this study was to quantify the cross-sectional association between tobacco ad exposure and tobacco use susceptibility (e.g.

Parental consent: A potential barrier for underage teens' participation in an mHealth mental health intervention.

Purpose: We sought to examine whether underage adolescents displaying symptoms for a mental illness (i.e., an eating disorder) would be willing to obtain parental consent to participate in a study to test the efficacy of an evidence-based mobile mental health intervention targeting teens with eating disorders.