“…This syndrome has been shown to contribute to ongoing cannabis use and disrupted daily living (Budney et al, 2004;ElSohly et al, 2016). Neurobiological (Haney et al, 1999a(Haney et al, , 1999bLichtman and Martin, 2002), clinical (Chung et al, 2008;Copersino et al, 2006;Cornelius et al, 2008;Schuster et al, 2017), neuroimaging (Hirvonen et al, 2012), and epidemiological studies (Agrawal et al, 2008;Budney and Hughes, 2006;Hasin et al, 2008) supported adding cannabis withdrawal as a syndrome (CWS) to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) (American Psychiatric Association, 2013) and as a criterion for CUD. CWS is diagnosed when within a week after cessation of heavy, prolonged use, ≥3 of 7 symptoms occur, including six behavioral or emotional symptoms and one or more of a list of physical symptoms (American Psychiatric Association, 2013).…”