THAT MAY BE TRUE BUT I REALLY DONT SMOKE AND RECENTLY FOR SCHOOL ONE OF THE TEACHERS THOUGHT I WAS HIGH AND HAD TO TAKE A PEE TEST. I SMOKED LIKE 4 DAYS BEFORE THAT, BUT THAT WAS THE FIRST TIME I SMOKED IN A MONTH. ANYWAY I STILL PASSED. SO DONT SMOKE FROM NOW UNTIL THEN AND U WILL BE STRAIGHT.