The research – published in the journal Drug and Alcohol Review – followed 1792 Australian high school students aged 15 in 1992, and investigated their patterns of cannabis use across twenty years. It found that by the age of 35, those who had regularly used cannabis in their early 20s were far more likely to engage in high-risk alcohol consumption, not have a job, and be daily smokers. They were also 20x more likely to use illicit substances, and 60% more likely to not be in a stable relationship. There was also a higher risk of depression. The study authors said: “Two-thirds of people who use cannabis regularly started use in their early