Cannabis is the most commonly used recreational drug by teenagers worldwide. In Canada, among youth aged 15 to 19 years, the rate of past-year cannabis use is 20.6 percent, while in England, 4 percent of adolescents aged 11 to 15 years used cannabis in the last month.
Science News. “Cannabis Use in Teens Linked to Risk of Depression in Young Adults.” http://www.sciencedaily.com. 13 February 2019. Web. 23 April 2019