Young people who engage in binge drinking and cannabis use did not appear to be influenced by specific advice from their family doctors to reduce excessive use of these substances, indicate the results from a clinical trial published in CMAJ (Canadian Medical Association Journal).Binge drinking (more than 5 drinks in 1 sitting) and excessive use of cannabis in youth have been associated with later health issues in adults. In the US and Europe, about 30% to 50% of adolescents and young adults are binge drinkers, and about 10% use cannabis excessively.

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