The increasing prevalence of saliva drug test can be attributed to the convenience and the ease of conducting saliva drug tests on the fly. The process mandates the examinee to keep away from drinking or eating for the preceding 15 minutes of sample collection. After this period, the examinee is asked to collect the sample using a cotton swab and the sample thus collected is either mixed with chemicals or placed on a color strip to detect the presence of drugs in the sample. Saliva Drug Testing: A Walk Through

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