Effects of CBD (THC Pharm) 25 µM on proliferating SKOV-3 cells after 24 or 48 h in the presence of WAY-100635, AM251, AM630, GW9662, O1918, SB366791 GW6471, or CID16020046 (n = 7 from 2 separate experiments). Data are displayed as mean ± SEM absorbance, and CBD + antagonist data were compared against CBD 25 µM alone using a one-way ANOVA. *p ≤ 0.05; ****p ≤ 0.0001. CBD, cannabidiol.