Decarboxylation is important because cannabis in its raw form is T-CA or C-DA (the acidic, non-psychoactive chemical). It requires heating those compounds up to the perfect temperature to remove the carbolic acid and turn it into added T-C or C-D. When you smoke you use fire, and the flame is what is activating those chemicals. It is similar with vaporizing however inhalation is not always the best way to receive medicinal c-nnabis. Ingesting it will be much better in the long-run for one's overall health. If you would like this to work properly, you need to Decarboxylate first!