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A member asked:
How many days does it take for ganja 2 go out of your blood system?
A doctor has provided 1 answer
Blood ; THC: Blood tests for thc (active ingredient in ganja) will remain positive for about 2 days. However, urine is used for testing more often. Depending on frequency of use, urine can remain positive for 90 days after last use.
Answered 11/12/2013
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