Positive psychological effects associated with taking small doses of psychedelic drugs are likely the result of users' expectations,...

New research shows that over the past 50 years street cannabis across the world has become substantially stronger carrying an increased...

Adolescence is associated with the maturation of cognitive functions, such as working memory, decision-making, and impulsivity control....

Daily cannabis use increased significantly from 2008 to 2016 among those with and without past-month serious psychological distress (SPD)...

More youth use cannabis than smoke cigarettes in the United States. In other parts of the world, cannabis use has become almost as...

Cannabis use is moving rapidly towards decriminalization around the world. However, it is a complex cocktail of of psychoactive...

The medical use of cannabis has hit the media headlines in recent weeks. In response, the Conversation have published a review of the...

A great deal of my work with young people draws n research that demonstrates that drug and alcohol use evolves through the interplay of...

Cannabis was recently legalized in Oregon for recreational use. Interestingly, follow-up research showed that increased availability did...

Research has really yet to catch up with the full implication of new psychoactive substances. However, a recent study by Olga...

An interesting break through in the study of cannabis psychosis has revealed not just a mechanism for the disorder but also a potential...

Young peoples drug and alcohol problems are rarely freestanding but linked to a wide range of other mental health and behavioral...

Driving under the influence of drugs, particularly cannabis, has become a mayor issue in recent years. In the UK, it is illegal to drive...

An excellent review of the historical developments in cannabis markets, leading to the current practices of smoking synthetic cannabis is...

I was very intrigued by the presentations of clients seeking help with legal highs or new psycho-active substances. For a period of...