how do doctors tell you've been smoking pot?!

Question:

Answers:
Technically they can't. Doctors can't just run a drug test on your urine or blood all willy nilly, unless you've been notified and agreed to the testing, there is no way they could tell. Unless you go in there all stoned. Thats about it.

Other Answers:
As much as I konw - your pupils (will be dilated) and the smell

chemical residues from pot can be detected in urine and blood. behavior and a sort of smokey scent can be a giveaway.

Traces of THC can be found in both urine and blood. In blood THC can be found even weeks after consumption, so be careful if you have been smoking pot and a doctor is going to look at your body fluids ;-)
Answers:

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how do doctors tell you've been smoking pot?!

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