Aims: Efforts to prevent youth from initiating injection drug use require an understanding of
the drug use patterns that predispose to injecting. Here we identify such patterns and …

Aims To investigate childhood influences on onset of injection drug use. Design Matched
case–control study. Setting E dinburgh, S cotland. Participants A total of 432 individuals …

Aims Assessment of young injectors' exposure and response to others' heroin‐related
overdose. Design Cross‐sectional survey. Setting San Francisco, CA, United States …

Objectives: We identified the prevalence of nonmedical prescription drug use and its
relationship to heroin and injection drug use in 4 nationally representative samples of …

Background. Drug overdose is an important, yet an inadequately understood, public health
problem. Global attention to unintentional drug overdose has been limited by comparison …

Background The intertwining prescription opioid and heroin epidemic is a major public
health problem in the United States, with increasing morbidity and mortality among persons …

Background Nonmedical use of opioids has become increasingly problematic in recent
years with increases in overdoses, treatment admissions, and deaths. Use also appears to …

Objectives: To examine the longitudinal relationships between US adolescents' prescription
opioid use and misuse and any subsequent heroin use in adulthood. Methods: Nationally …

METHODS: A retrospective analysis of emergency department syndromic surveillance data
were used to detect quarterly trends in suspected drug overdoses from April 2016 through …

Background: Intentional overdose is the commonest form of self-harm in adolescents
globally. We explored temporal trends in intentional overdose among youth. Methods: Using …