This paper examines the latest research on the treatments, identifies gaps in this research and distinguishes the various treatments’ respective costs and benefits.

In 1987, a large-scale Swedish study confirmed an association between cannabis use and the development of schizophrenia. Ever since, it has become widely accepted by clinicians that there are links between cannabis use and mental illness. Experts have expressed particular concern about the mental-health effects of cannabis use on young people, as ‘adolescence is the...

Australia is well served by its public funding support - some $6 billion in 2002 03 - for science and innovation according to this draft research report into the sector. It is not possible, given a host of measurement and methodological issues, to provide accurate estimates of the contributions of such R&D to the economy...