Frequent pot use by teens is linked to a greater likelihood of incomplete education, suicide attempts and other harmful effects, say researchers in Australia and New Zealand, who suggest their findings should be considered as countries move to decriminalize or legalize cannabis.
Marijuana is the most widely used illicit drug worldwide, and statistics suggest that adolescents in some countries are starting to use it at a younger age and more heavily.
In 2013, about 23 per cent of students surveyed in Ontario said they’d used cannabis at least once in the previous year, according to an annual report from the Centre for Addiction and Mental Health.
The prevalence of past-year cannabis use among Canadians aged 15 years and older was 10 per cent in 2012, the Canadian Alcohol and Drug Use Monitoring Survey suggested.
Cannabis use is more common among those with low educational attainment, but there’s a debate about whether marijuana use is a marker or a cause. A study published in the journal The Lancet Psychiatry helps to answer some questions.
CBC News – Sep 09, 2014.