The Dunedin Study - DMHDRU - Arrests don't stop people smoking cannabis

Sunday 7th June 2020  - Arrests don't stop people smoking cannabis

"The risks of developing psychosis after cannabis use are significant for teenagers, but it was legalised, it would make it easier to teach high school students about the risks, says the director of New Zealand's longest running study" read the full article click here.

For more information on the consequences of using cannabis go to

This is based on the recent Royal Society of New Zealand paper which uses evidence from the Dunedin Study and the Christchurch Study,  Patterns of recreational cannabis use in Aotearoa-New Zealand and their consequences: evidence to inform voters in the 2020 referendum.


Download PDF