How Long Does Marijuana Stay in Your Saliva?


Smoking marijuana will stay in your system for up to three months. This depends on how much you smoke and the quality of it. However, on a saliva test, it will test positive for THC an hour after use and up to twelve hours after use. So, after twelve hours you should test negative.
1 Additional Answer
Marijuana can stay in your saliva for only a very short time, most experts says it will only stay in your saliva for four to six hours at the most. They are not sure it only stays for such a short time.
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