This is a frequent question regarding urine drug testing as Cannabis stays in the system much longer than other drugs, and can still be detected on a urine drug test for up 30 days in some individuals.
After a one off Cannabis use Cannabis will have cleared the system and not be detectable in most peoples urine sample by about 5-7 days. However this is not always so as Cannabis clearance is affected by many factors including the individuals fat levels. As Cannabis can be stored in the body in fat a leaner individual will clear Cannabis from their system faster than an obese individual.
What other factors affect how quickly Cannabis clears from the system ?
- body fat
- total body mass
- frequency of use
- strength of Cannabis used eg Cannabis resin & skunk contains more of the active THC
- duration of Cannabis use
For more information on Drug test detection times visit http://www.drug-testing-kit.co.uk/acatalog/Detection_Times.html