i failed a drug test due to thc could it be from imported cigars?!

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Lesson learned... don't let people tell you that you're going to pass because you drank lots of water, took cranberry pills or niacin, or have 5% body fat. The only 100% chance at passing a drug test is not smoking. Even with fake urine, you can still get caught.

Marijuana stays in your urine for around a month, depending on your body chemistry. Anyway, it would be from that.

By the way, just because you're 120 lbs, doesn't mean you don't have body fat, we all do, whether you're 100 lbs or 500 lbs!

Yes the THC lingers for awhile there is a product called Urine Luck its expensive and its sold online but it gets rid of drugs in like a few hours

It will be from the pot. It can stay in your system for around a month.

It lasts in your system for at least 30 days minimum. Sorry.

Old Hippy

Probably not. Weed stays in your system for at least 30 days.