Cannabis in its raw variety consists of THCA, not THC. THCA doesn't produce a high right until it’s heated. This warmth-driven transformation, termed decarboxylation, is needed for converting THCA into your psychoactive compound THC. https://rafaelesfq53196.angelinsblog.com/34289002/the-science-of-thca-how-warmth-turns-it-into-thc