Acute effects of cannabis on speech illusions and psychotic-like symptoms: two studies testing the moderating effects of cannabidiol and adolescence.
Claire MokryszNatacha D C ShabanTom P FreemanWill LawnRebecca A PopeChandni HindochaAbigail FreemanMatthew B WallMichael A P BloomfieldCelia J A MorganDavid J NuttH Valerie CurranPublished in: Psychological medicine (2020)
Inhalation of cannabis reliably increases psychotic-like symptoms in healthy cannabis users and may increase the incidence of speech illusion. CBD did not influence psychotic-like effects of cannabis. Adolescents may be less vulnerable to acute psychotic-like effects of cannabis than adults.