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high school students from 2015 to 2016 declined substantially for e-cigarettes and marginally for combustible tobacco cigarettes, raising questions about whether there is a systematic concordance between e-cigarette and combustible tobacco cigarette use over time in the population

International Vapor Group 10.3

Archived from the original on January 17, 2017

49 Oral ingestion of THC produces lower and later peak blood concentrations and effects than smoked THC, and only 6-20% of an orally administered dose reaches systemic circulation

CMAJ 2008

On the other hand, don't be stingy with the mix or you'll end up with a "pinner." Pick everything up and roll it back and forth until the mix in the rolling paper is evenly dispersed and cylindrical in shape