… drug use onset has the most significant effects on drug use … data collection from adolescence
period to young adulthood. All … substance use and adolescents’ future drug use escalation. …

… to support younger teenagers is a public health priority. … of youth substance use and
underlined the importance of youth … Initiation and escalation were most commonly reported in low-…

… , escalating peer use during adolescence … substance-using peers (Belendiuk, Pedersen,
King, Pelham, & Molina, 2016). In the Pittsburgh ADHD Longitudinal Study, perceived peer use …

… , such as the perception of substance use approval. Schools … for the early onset of substance
use, as well as escalation to … peers on young adult substance use found evidence for peer …

… ’s youngest age, if he/she ever used illicit drugs. To facilitate analyses, low frequency illicit …
parenting prevents adolescents who initiated drug use from escalating into using new drugs (…

… peers, and the Internet generally, in substance use initiation, … the escalation of substance
use within socially homophilous … peer groups and substance use among youths and young …

… of substance use initiation among young adolescents [9]. … to escalate until it becomes a
problem. In addition, early … of drug onset, as they predict adolescents’ social perception of …

… Similarly, peer selection can contribute to substance-use initiation, as … This could work
to create a context wherein adolescents and young adults seek greater support from …

… substance use during adolescence and young adulthood. … may be involved in early
initiation of alcohol use, but may not … Males with higher negative affect, less perceived ability to …

… primary care and lockdowns went into effect, the rate of overdose deaths … adolescent and
young adult populations, leading to concerns of youth substance use initiation and escalation. …