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Article

Understanding the association between adolescent marijuana use and later serious drug use: gateway effect or developmental trajectory?

Development and psychopathology - 1 Jan 2008

Cleveland H Harrington, Wiebe Richard P

Abstract excerpt

Because marijuana use often precedes the use of other psychoactive substances, it has been characterized as a gateway to these other substances. The present study used data from both monozygotic (MZ) and dizygotic (DZ) twin pairs drawn from the National Longitudinal Study of Adolescent Youth (Add Health) to examine the "gateway effect" role of earlier marijuana on later hard drug use. Difference score analyses...

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Identifiers

PMID: 18423097
DOI: 10.1017/S0954579408000308

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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