THCA means tetrahydrocannabinolic acid, a organic compound in raw cannabis. It doesn’t trigger a high By itself. Heating THCA by way of decarboxylation turns it into THC, the active component to blame for cannabis’s psychoactive results. https://reidvivg29742.uzblog.net/the-science-of-thca-how-heat-turns-it-into-thc-48876268