How long will marijuana stay in your system for a first time user? i haven't smoked for almost 2 years since i last did it

Depends: Depends on the bodily sample and the instrument used for detection. In general, for usual urine detection methods, marijuana can be detected for apporoximately 3 days following singe-time use. Marijuana use is associated with a variety of negative health outcomes.

Marijuana: If you have not used for 2 years and you were not exposed to it, none.