Occasional cannabis use is associated with higher premorbid functioning and IQ in youth at clinical high-risk (CHR) for psychosis: Parallel findings to psychosis cohorts. - Kennedy L; Ku BS; Addington J; Amir CM; Bearden CE; Cannon TD; Carrión R; Cornblatt B; Keshavan M; Perkins D; Mathalon D; Stone W; et al. (Schizophrenia research, 2024)