Key Findings:  This study of patients with a first episode of psychosis and the effects of cannabis use found that both cannabis and non-cannabis users had attention deficits, however, never-users had better long-term outcomes than cannabis users.
Type of Study:  Clinical Trial
Study Sample Size:  648
Study Result:  Negative
Research Location(s):  Spain
Year of Pub:  2022
Cannabinoids Studied:  Cannabinoid (unspecified)
Phytocannabinoid Source:  Unspecified
Citation:  Setién-Suero E, et al. Longitudinal effects of cannabis use on attentional processes in patients with first episode of psychosis. Schizophr Res. 2022; 244:71-80. doi: 10.1016/j.schres.2022.05.011
Authors:  Setién-Suero E, Ayesa-Arriola R, Peña J, Crespo-Facorro B, Ojeda N