Current evidence leaves more questions than answers Psilocybin and other psychedelics are under investigation for use in several mental health conditions, including depression.1 Psilocybin, a prodrug that naturally occurs in “magic” mushrooms (genus Psilocybe ), has been used for ritualistic purposes by indigenous populations of Central-North America for thousands of years.2 Its active metabolite, psilocin, targets 5-hydroxytryptamine type 2A receptors, whose potent activation of serotonergic pathways is largely responsible for producing psychedelic effects.3 Both rapidly induced changes i...