It's a highly charged issue, and when it comes to medicinal cannabis, New Zealand - like many countries - is grappling with what to do about it.

Users have reported dramatic health benefits, and now some oncologists have told The Nation between 40 and 60 percent of their patients use it.

And support for its decriminalisation is coming from some unlikely quarters - such as Grey Power. 

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Caitlin McGee ~ The Nation via NewsHub.co.nz ~