"How long marijuana stays in the body" is an intriguing question, and an extremely popular among the world wide web. Answering it's trickier than you may think, but the response is important whether you're administering a drug evaluation.The first important distinction to make is that if a person is no longer undergoing the consequences, or"large," of marijuana, it's still within their system. And it isn't too much bud that's on your own body, but its lively compound, THC (Tetrahydrocannabinol)....