Over the last decade, two lines of inquiry have emerged from earlier investigations of
adolescent neighborhood effects. First, researchers began incorporating space‐time …

Aims: Describes how the relative normalisation of recreational drug use in the UK has been
productive of, and fused with, the relatively normalised and non-commercial social supply of …

Background Sexual health is an important area of study—particularly for minority youth and
youth living in disadvantaged neighborhoods. Objectives The purpose of the research was …

Cannabis (marijuana) has undergone a normalizing process as indicated by high use rates,
social tolerance, and broader cultural acceptance of its use in many countries. Users also …

Background and aim Globally, harmful substance use is among the leading causes of
premature deaths in the general population, and most of these behaviours are initiated …

Background Substance use among youth often involves multiple types of substances. Little
is known about how the use of common, lower-risk substances (eg, alcohol, cigarettes …

Abstract Machine learning provides a method of identifying factors that discriminate between
substance users and non-users potentially improving our ability to match need with …

Based on data from the 2014 Communities that Care Youth Survey, the authors examine the
associations between drug use frequencies among 11 drugs. This research represents a …

Abstract Los Estados Unidos y México han visto aumentos significativos en la prevalencia
del consumo de sustancias entre adolescentes Latinxs en los últimos 20 años. Se necesita …

Externalizing disorders have been extensively linked to substance use problems. However,
less is known about whether genetic factors underpinning externalizing disorders and …