10 Perfectly Legal Substances That Can Result in a Failed Drug Test

5. Second Hand Smoke

smoke

Yeah, you know the kind of smoke we’re talking about. You may have never put a joint to your lips or ingested a “special” brownie in your life, but did you know that just being around others while they indulge could be a problem for you? Inhaling sufficient quantities of second-hand smoke while hanging out with your pot-puffing friends might result in your drug test going up in smoke as well.