… from marijuana and cocaine exposure opportunities to actual use of each drug, we … marijuana
or cocaine use among young people who reported having had an exposure opportunity. In …

… for exposure opportunity to use tobacco, alcohol, and illicit drugs, including nonmedical use
of prescription drugs, … It is important to note that although exposure opportunity and drug use …

… at first drug exposure opportunities and first actual drug use. … of these drugs to the chance
to try an illegal drug such as … from that drug exposure opportunity onward to actual drug use, …

… builds from prior research on drug exposure opportunities in … used in prior research on
drug exposure opportunity, we … We found that people with illegal drug use in the year before …

… of drug opportunities exposure to the early stages of drug … and age of first opportunity to use
any type of illicit drug among a … ) the prevalence of drug use given the opportunity to use, (3) …

… questions about age of first opportunities to use drugs and age of first drug use are asked. …
between ‘exposure opportunity’ and ‘perceived availability’ of illegal drugs. Important next …

… earnings, drug use, and criminal opportunities, we use data … ‐to‐month changes in illegal
earnings. We find that criminal … Moreover, heroin and cocaine use creates a strong earnings …

… Exposure opportunity has been widely accepted as a critical step on the pathway to drug use,
as … The rationale to focus on drug use opportunity in the current study is guided by a socio-…

… that characterize use patterns for psychoactive drugsÐthe opportunity to use, the … drug
use in adolescence requires an ability to differentiate between exposure to a drug, initial use …

… from physical abuse by parents, as a predictor of illicit drug use. … forms of illicit drug use, hard
drug use and marijuana use. … the use of marijuana, considered a “softer” drug whose use is …