how do they test to see if a person smokes?
359102
I don't think they test for it. At least they've never tested me. Pick me i'm the best answer!
548037
He or she has smoke coming out of their mouth, nose and ears.
1004956
The chemical in marijuana, THC, is absorbed by fatty tissues in various organs. Traces of THC can be detected by standard urine and blood tests for about 2 days up to 11 weeks depending on the persons metabolism, how much they smoked and how long they smoked. THC can be detected for the life of the hair. Again, the sensitivity of the test ranges from person from to person depending on many factors including the amount of body fat, differences in metabolism, and how long and how much they smoked.
1069032
Urine drug test are almost obsolete these days.  Hair Follicle samples have become mainstream in today's society.  Hair follicles can detect drug usage for several years.  It can tell how often you smoked, when you stopped,  It's really quite fascinating.  Also some companies are using fatty tissue samples, which can detect THC usage for several years.  I'd say you are screwed pal.
75681
Alcohol can be traced in the urine; however, it is primarily tested through breath or blood analysis. Time of passing is determined by quantity of consumption.
592908
Depends on a number of factors. If you only smoke once in a while, it could take only a few days. If you smoke on a regular basis it could take a month or longer.\nIt also depends on the amount of body fat you have.\nTHC is stored in body fat.\nI used to smoke, but I quit. But I have been there.\nGood luck.
95636
No way.  Even if some trace showed up, there are cut-off limits for a test to be considered a positive result.\n\nHair is another matter, but you didn't ask about that and no one does that unless they have a really good reason to.  The amount of THC in your system is negligible.  But if it will make you feel better, drink lots and lots of water and do a lot of exercise.
906799
If he anticipates a standard urine test, he should be all right in about a month after quitting.  To be more sure, he can wait two months.\n\nThis assumes that he has quit cold turkey and does not indulge anymore at all.  People have tested positive for marijuana after being exposed to second hand smoke.\n\nI wish you friend luck.  I was in his shoes 20 years ago.  Ironically, I now send people off to pee in cups.
904639
No X Ray of the lungs are to see if there are any holes in ur lungs but it wont show that u smoke unless the only cause of the holes can only be from smoking
788331
i was in the same situation as you. i smoked 2 days prior to the mouth swab and still passed.  jus make sure that you get as little saliva on the swab as possible... maybe eat/drink somthing before hand.  I'm not a chronic smoker (sorry for the pun), but i do it once in a while... \n\n"In a study using RIA (Radioimmunoassay) test, cannabinoids were detected in saliva 4 to 10 hours after subjects smoked a single marijuana joint."\n\nYou Should be fine... Good Luck.\n\n-CAP
633300
http://www.jsonline.com/story/index.aspx?id=414752\n\nIs the journal your talking about\n\nhttp://www.smokesignals.net/ClinicallyTested.aspx\nand\nhttp://www.smokesignals.net/Utility.html is the first clinical test.\n\nDon't think it has been released yet to the general public. Though there are plenty of different ways out there to quit smoking, the main and only way truly to quit, is to want to quit and have the will power behind it.\n\nGood luck, and I hope you succeed.. something I have not yet been able to achieve myself.
337670
THC can persist in the blood for several days after use.  Since you hadn't smoked for about a month you will probably be looking at about two weeks before you would be clear.
1012298
Highly unlikely.\n\nIf you sit over the bong and breathe in what they dont inhale then you have a chance.\n\nIf you are just breathing in second hand smoke, the THC (what you test for) is already inhaled and you would be fine...unless you are 'hot boxing' while trying to watch your friends smoke up the world record for weed.  \n\nThey are looking for a certain amount of THC in your urine...not just the evidence of.  You have to smoke to fail....anything less than (22 nano______ I believe) will fail you.  WHich means you need to smoke to fail.  \n\nEither way....\n\nif you are looking for a job, stay away from drugs.  If you find one and want to use, do so carefully.  \n\nThe best thing to do is just stay away period.
97691
It depends on how close to the smoke you are and how long you are exposed. If you breath in enough of the fumes, it will show up.
1140012
It can.  It depends how much you're inhaling.  It is stored in the fat cells and can stay in the system enough to test positive MONTHS later, not just weeks as someone has already said.   There is actually a formula (probation and parole use) for the rate THC levels must drop to show someone is not using.
1079636
if you were in close contact with the smoke you probably inhaled it so i would think there would be some traces of it in your system. it would also depend on how long ago you smoked it.
330440
2 weeks. but there is a loop hole. as long as you dont scratch off any skin onto the mouth swab it might not detect anything. a friend got stoned right before the drug test. he pasted because his mouth was so dry and he rubbed the swab on his teeth, not the inside of his cheek.