Recent rapid decrease in adolescents’ perception that marijuana is harmful, but no concurrent increase in use

Condoms for prisoners: no evidence that they increase sex in prison, but they increase safe sex

OBJECTIVES To determine if the provision of condoms to prisoners in two Australian state prison systems with different policies affects sexual behaviour. In New South Wales' (NSW) prisons, condoms are freely distributed, while in Queensland prisons none are distributed. METHODS We used a computer-assisted telephone interview to survey randomly selected prisoners in both states about their sex...

Marijuana Use, Recent Marijuana Initiation, and Progression to Marijuana Use Disorder Among Young Male and Female Adolescents Aged 12–14 Living in US Households

Marijuana initiation during adolescence, and early adolescence in particular, is associated with adverse health consequences. Our study used 2005-2014 data from the annual, cross-sectional National Survey on Drug Use and Health to study the prevalence and correlates of marijuana initiation, use, and marijuana use disorder (MUD; abuse or dependence) among 12- to 14-year olds living in civilian U...

Medical marijuana does not increase adolescent marijuana use.

In The Lancet Psychiatry, Deborah Hasin and colleagues review the relationship between US state medical marijuana laws and adolescent use of marijuana. Marijuana is the most commonly used illicit drug, both worldwide and in the USA, where around 19·8 million Americans use it per month. Although millions use it for recreational or medicinal purposes, the risks of regular use, including cognitive...

“Not Everything That Is Faced Can Be Changed, but Nothing Can Be Changed Until It Is Faced”: A Response to Recent Commentaries

Marijuana Use and Dependence in Chilean Adolescents and Its Association with Family and Peer Marijuana Use

PURPOSE The purpose of the study is to examine (1) whether family and peer marijuana use are independently related to adolescent marijuana use in Chile, (2) whether family and peer marijuana use are associated with adolescent marijuana dependence in adolescents using marijuana, and (3) whether the adolescent's age moderates the association between family or peer use and adolescent marijuana use...