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Old Apr 11, 2005 | 12:09 pm
  #8  
Val
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Join Date: Apr 2003
Location: Chicago, IL
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Originally Posted by howellajohnson
The 3 weeks seem to have something to do with the time it takes to grow your hair and cut it, removing trace evidence...
THC, the active ingredient in pot, takes 3-4 weeks to be expunged from lipid tissue (body fat)
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