Substance use initiation: The role of simultaneous polysubstance use
Drug and Alcohol Review May 21, 2012 Janine V. Olthuis, Christine Darredeau, Sean P. Barrett 79 citations
Abstract Introduction and Aims. Simultaneous polysubstance use (SPU) is a common phenomenon, yet little is known about its role in substance use initiation. Design and Methods. In the present study, 226 cannabis users completed structured interviews about their substance use history. For each substance ever used, participants provided details of their age of first use, their use in the...