Evidence for public health on novel psychoactive substance use: a mixed-methods study

Background Novel psychoactive substances (NPSs) contribute to the public health impact of substance misuse. This report provides research evidence addressing 11 research questions related to NPSs, covering types, patterns and settings of use; supply sources; and implications for policy and practice. Methods The study used a conceptually linked three-phase mixed-methods design with a shared conceptual framework based on multiple-context risk and...