Canna~Fangled Abstracts Cannabidiol is a negative allosteric modulator of the type 1 cannabinoid receptor. 2015 Jul 27. doi: 10.1111/bph.13250. Laprairie RB1, Bagher AM1, Kelly ME1,2, Denovan-Wright EM1. Author information Abstract BACKGROUND AND…Freedom WaresJuly 27, 2015