Category

Adolescent

Medical marijuana laws and adolescent marijuana use in the USA from 1991 to 2014: results from annual, repeated cross-sectional surveys.

By | Adolescent, Medical Cannabis

Authors: Deborah S. Hasin, Melanie Wall, Katherine M. Keyes, Magdalena Cerdá, John Schulenberg, et al
The Lancet Psychiatry, July 2015

BACKGROUND: Adolescent use of marijuana is associated with adverse later effects, so the identification of factors underlying adolescent use is of substantial public health importance. The relationship between US state laws that permit marijuana for medical purposes and adoles…

Read More

Psychotic experiences are linked to cannabis use in adolescents in the community because of common underlying environmental risk factors.

By | Adolescent, Behavioral Health, Substance-Related Disorders

Authors: Sania Shakoor, Helena M.S. Zavos, Philip McGuire, Alastair G. Cardno, et al
Psychiatry Research, 30 June 2015

Cannabis users are more likely to have psychotic experiences (PEs). The degree to which these associations are driven by genetic or environmental influences in adolescence is unknown. This study estimated the genetic and environmental contributions to the relationship between…

Read More

Young adult sequelae of adolescent cannabis use: an integrative analysis.

By | Adolescent, Behavioral Health, Substance-Related Disorders

Authors: Edmund Silins, L. John Horwood, George C. Patton, David M. Fergusson, Craig A. Olsson, et al
The Lancet Psychiatry, September 2014

BACKGROUND: Debate continues about the consequences of adolescent cannabis use. Existing data are limited in statistical power to examine rarer outcomes and less common, heavier patterns of cannabis use than those already investigated; furthermore, evidence has a piecemeal app…

Read More