While previous studies questioned the existence of a cannabis withdrawal syndrome (CWS), recent research provided increasing evidence of a number of clinical symptoms after cessation of frequent cannabis consumption. The aim of this study is to prospectively assess the course of CWS in a sample of cannabis-dependent inpatients and to provide an estimate of the proportion of subjects experiencing CWS.
Department of Psychiatry, Psychotherapie and Psychosomatics, Martin-Luther University, Julius-Kühn-Strasse 7, Halle-Wittenberg (MLU), Halle/Saale, Germany. ulrich.preuss@medizin.uni-halle.de