how are people tested for drugs?

Question by Ann G: how are people tested for drugs?
How are people tested for illegal drugs and long do they stay in ur system? for instance..cocaine or ecstacy Weed or crack cocaine is it a urine test or a blood test or what? And long after you do these drugs will it still show up in a test. and please. i do not do drugs if I did i would know the answer. i am just curious.

Best answer:

Answer by cloveryer
urin or hair test

What do you think? Answer below!