THCA, found in raw cannabis, is non-intoxicating. It is the chemical precursor to THC, the large-inducing compound. Heating cannabis activates a method known as decarboxylation, which converts THCA into THC, unlocking its psychoactive consequences. https://elliotkwhs64207.ltfblog.com/34083835/from-uncooked-to-psychoactive-how-thca-gets-to-be-thc