Nov 2, 2010 #1 T thatgirl1 Member Joined Jun 1, 2008 Messages 104 Reaction score 0 Points 16 i want to give blood at my school.. how long does pot stay in your system? will they be able to tell if you smoked when u give blood?
i want to give blood at my school.. how long does pot stay in your system? will they be able to tell if you smoked when u give blood?