As an interesting sidenote, marijuana is classed as a Schedule 1 drug just like extacy, heroin, LSD and GHB.It’s thus considered just as heavy in the eyes of the law, with jail as a possible consequence!
When it comes to the duration marijuana remains in your body, one could argue that for most people this is irrelevant to passing your drug test.
Drug tests screen for the dominant and psychoactive cannabinoid compound tetrahydrocannabinol (Delta-9-tetrahydrocannabinol), more commonly known as THC, and its metabolites.
THC-COOH is the main metabolite and is stored in fat cells of your body.
What matters is rather for how long the pot can give a positive test result.
THC and its metabolites, like most medicines, have a half life in the body (of 1 to 2 weeks). give a positive result if the concentration is above 50ng/m L, although some labs do use 20ng/m L as the cut-off point, which makes a pretty huge difference, allowing less than half the concentration compared to the most common test.