To the contrary --
Hair was once thought to record evidence of drug ingestion like rings on a tree. Decades of research has shown that external drug contamination can penetrate hair when moistened and cause the hair test to incorrectly identify the individual as a drug user. For this reason among others, the United States governmental agency charged with drug testing oversight has refused to authorize hair as a method of drug testing. They have published their concerns in the Federal Register. Commercial entities, for obvious reasons, continue to promugate misleading information about hair testing reliability.
No, there is not. If you do drugs, you're going to have them show up on a drug test. Even your body hair is saturated with the drugs, so there's no way to get rid of it.
If you are speaking about the Carbon Monoxide test you do when quitting smoking, then yes if you have been around someone smoking prior to taking the test then small traces may be found but not enough to suggest that you have been smoking. If you have been smoking then this will show on the monitor and the level will be too high to pass off as passive smoking.
Yes, cannabis use can be detected by a hair test.
nope ive proved it at a job site..
The official answer is 30 days, but I have known people to pass a urinalysis after a week. A hair test will show for longer. I am not certain about the blood test.
Yes, if you smoke ones past 90 days will show up .
Yes. Unless doctors specifically test for cannabis when they test urine, it will not show up.
I dont know haha ; )
Yes it does.
A drug test can show positive results for marijuana if the individual has recently consumed cannabis products, including smoking, ingesting edibles, or using other forms of marijuana. Passive exposure to secondhand smoke or certain medications containing CBD or THC can also trigger a positive result in some cases.
A passive sentence doesn't always show the doer of the verb, which is called agent in passive sentences.
Possibly, just the same as you can get sick from second hand tobacco smoke, if you breath in meth from the air in a room, it will show up in your body. It is best to avoid people and places involved with drug use.