Comment: New Zealand's drug laws are well overdue for an overhaul, writes Davey Smith.

The proposed referendum on legalising cannabis (including medicinal) for the next general election, hopefully will be the impetus for a total re-evaluation of how recreational drugs are regulated and treated by the authorities.

The current law is based on legislature from the 1970s, which is all about criminalising the manufacturers, suppliers and users of certain substances rated over three classes.

Think about that.

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The underpinning law comes from a time when people could be arrested for smoking a joint, but on the other hand people were