'Samantha wells' diaporamas de présentation

An examination of marijuana use among a vulnerable population in Canada

An examination of marijuana use among a vulnerable population in Canada. Nicholas Spence, PhD Samantha Wells, PhD Julie George, PhD Kathryn Graham, PhD. Social Issue: Marijuana. Most commonly used illicit drug Lifetime use Canada (15+) in 2010: 41.5% Perceived risk decreasing over time

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