As the push to legalize cannabis nationwide continues to gain ground — a record 61 percent of Americans support U.S.-wide weed legalization — those opposed to marijuana reform are doubling down, in part by citing research pointing to the health risks associated with daily cannabis consumption. The latest entry in that genre of research: a new study from The Lancet Psychiatry journal, which suggests that there may be a correlation between daily marijuana use and psychosis.
The authors of the study assessed more than 900 people in multiple European cities, all of whom had been diagnosed with at least one episode of psychosis. The researchers then asked the subjects if they had used cannabis, when they had started using it, how often they used it, and what kind of strains they smoked. Compared against a control