The study, which was presented during the Digestive Disease Week 2022, involved researchers analyzing 419 adult patients who were about to undergo an endoscopy in Canadian medical centers. The endoscopy was to be performed with conscious sedation wherein the patient and relaxed though partially conscious. All patients were also asked to fill in two surveys, one before the endoscopy regarding their cannabis consumption while the other was after, asking them questions about how aware and comfortable they were during the procedure.