Can you fail a standard drug test for marijuana if you went to a party where others were smoking?

Question by Lionel: Can you fail a standard drug test for marijuana if you went to a party where others were smoking?
If you had never smoked before, could inhaling their smoke cause you to fail a drug test a month later?

Best answer:

Answer by K.
Absolutely not. There’s no such thing as a “contact high” either. If it’s in your system, you’ve been smoking.

Know better? Leave your own answer in the comments!