A 38-year-old member asked:
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how much time does weed stay in your system after smoking?

1 doctor answer
Dr. Alan Wartenberg
A Verified Doctor answered
A US doctor answered Learn more
One use 2-3 days: Depends on how much smoking you were doing for how long, and while weight doesn't matter per se, since thc metabolites accumulate in fat, it does depend on how much fat there is. People who smoke marijuana regularly can stay positive for 3 weeks +, and I have seen some heavy regular smokers stay positive for 2 months. You can buy your own test kit at any pharmacy and see for yourself.
Answered on Aug 12, 2018
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