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It has been five years since the legalization of cannabis in Canada but we still know very little about health impacts from cannabis smoke. Almost no research has been done, despite government promises, so scientists and experts say we need more data so consumers can make an informed decision.

Jameson Berkow is a reporter for the Globe who has covered the cannabis industry extensively. He’s on the show today to explain why this knowledge gap exists and how we can close it.

Questions? Comments? Ideas? Email us at thedecibel@globeandmail.com

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