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All debates


Should cannabis be legalised?

This film by Econ Films considers whether cannabis should be decriminalised, using a pilot scheme based in the London borough of Lambeth as a case study, with some surprising results.

Argument against

The effects of smoking cannabis for long periods of time are still not known, and some studies suggest that using the drug could increase the risk of mental illness. Some people also argue that cannabis is a ‘gateway drug’ that leads users onto stronger substances such as cocaine and heroin.

Arseneault L et al. Cannabis use in adolescence and risk for adult psychosis: longitudinal prospective study. BMJ 2002;325:1212-3.