A 21-year-old male asked:
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how long does thc stay in the saliva after using it only once?

1 doctor answer
Dr. Jalal Zuberi
45 years experience Pediatrics
Less than 24 hrs: Unless someone repeats using the weed within 14-16 hrs it generally becomes undetectable from saliva.
Answered on Feb 17, 2016
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Dr. Jan Lei Iwata
26 years experience Ophthalmology
Agreed. Blood levels are different.
Jul 12, 2014

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