Well... eating decarboxilated weed is indeed more effective than non-decarboxilated weed, but its still wasteful.
You could get high from this, but dissolving the weed in something suitable (alcohol, milk, butter, etc) gives MUCH better results with much less weed.

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"Everything we do, everything we are, rests on our personal power. If we have enough of it, one word uttered to us might be sufficient to change the course of our lives. But if we don't have enough personal power, the most magnificent piece of wisdom can be revealed to us and that revelation won't make a damn bit of difference." Don Juan Matus - Tales of Power