Canna~Fangled Abstracts The effect of five day dosing with THCV on THC-induced cognitive, psychological and physiological effects in healthy male human volunteers: A placebo-controlled, double-blind, crossover pilot trial. 2015 Nov 17. pii: 0269881115615104. Englund A1, Atakan Z2, Kralj A2, Tunstall N2, Murray R2, Morrison P2. Author information Abstract…Freedom WaresNovember 17, 2015