Do needle-exchange programmes really work?

Reporting in the journal Addiction, Canadian researchers say that based on their review of available literature on needle-exchange programmes - an analysis of five previous reviews of needle-exchange programmes - the evidence for the programmes' effectiveness is weaker than generally thought. On the other hand, there was "strong" evidence across the reviews that needle-exchange programmes reduce the sharing or reuse of dirty needles, and no evidence of harmful effects. Click here for more information.