In the context of an ongoing and worsening drug overdose epidemic in the USA, increases
in free support services like self-help groups may be expected. We estimated differences in …

Background Substance dependency is a global problem and significantly affects the
geriatric population in the United States. This study aims to determine how self-help group …

Objective: Substance use continues to pose threats to adolescent health and development
in the United States (US). Despite evidence of effectiveness, little is known about adolescent …

Background Compared with adults of other age groups, young adults are more likely to have
substance use disorders (SUDs) but less likely to receive treatment. Untreated SUDs can …

Introduction Race/ethnicity and sex disparities in substance use and substance use
treatment completion are well documented in the literature. Previous literature has shown …

Objective: Alcohol involvement is declining among US adolescents, however studies
examining population-level trends in alcohol involvement among females and males from …

Background Early use of alcohol and cannabis is associated with health and social
problems. It is unclear how lifetime use changes for each additional year of age during …

Background Expanding access to treatment and recovery services is key to reducing
substance use-related harms. Fundamental to expanding such services is better …

Background Emerging adulthood (typically ages 18–25) is a developmental period
associated with increased likelihood of developing substance use disorders (SUDs) …

Rates of substance use vary considerably across sex, gender, and sexual identity with
elevated rates observed among sexual minorities, particularly among bisexual individuals …