Students who use cannabis do better at school than cigarette smokers

Pot-smoking students better at school than ‘marginalized’ tobacco-smoking peers

Andrea Janus
CTV : March 25, 2014

Students who only smoke marijuana do better at school than classmates who smoke just tobacco, or who smoke both tobacco and pot, says a new study, which tracked substance use among teens over 30 years.

Researchers from the University of Toronto’s Dalla Lana School of Public Health analyzed data from a survey administered to nearly 39,000 Ontario students between 1981 and 2011. The Centre for Addiction and Mental Health asked students in Grades 7, 9 and 11 about their tobacco and marijuana use, and their academic performance.

The study found that marijuana-only users did better at school than their counterparts who smoked only cigarettes or who smoked both cigarettes and marijuana. However, the findings reflect the fact that fewer students smoke tobacco today compared to 30 years ago, and those that do make up a very “marginalized, vulnerable” population, says lead study author Michael Chaiton, assistant professor in epidemiology and public health policy.

About 92 per cent of tobacco users also use marijuana, the study found. However, only 25 per cent of marijuana uses also smoke tobacco.

“It’s better relatively,” Chaiton says of marijuana-only users’ academic performance.

(Read the full article at CTV)

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