Teen/Pre-teen Drug Use by Grade |
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Source: Centre for Addiction and Mental Health, Ontario, 1997 |
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| The Centre for Addiction and Mental
Health Student Drug Use Survey is the longest ongoing study of adolescent drug use in Canada. The study spans over two decades, and is based on 12 surveys conducted every two years since 1977. The figures represent the percentage of students who had tried the substance within the past 12 months. |
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