Marie-josee Lynch, MD

Disparate means of accessing marijuana complicates the evaluation of the quality, purity, and potency of cannabis.

Evidence suggests that cannabis is associated with an increased risk of psychosis when it is used frequently. Marijuana doesn't count, does it?

While research suggests that cannabis use can induce an acute psychotic state, there is controversy about whether it may precipitate psychotic disorders, such as schizophrenia. These authors offer an update on this important issue and provide clinically useful recommendations.