CNR1 and psychotic disorder: On the one hand, different studies have shown associations between CNR1 genetic variants and the psychosis outcome, including positive (Çöpoğlu et al., 2015; Suárez-Pinilla et al., 2015), negative (Ujike et al., 2002; Chavarría-Siles et al., 2008; Çöpoğlu et al., 2015; Suárez-Pinilla et al., 2015) and disorganized symptoms (Chavarría-Siles et al., 2008; Çöpoğlu et al., 2015).