If a person was given a mouth swab drug test for meth and was a frequent user how many days would it take to pass one?

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Unlike urine drug-testing,saliva drug-testing cannot see the metabolites that are in your system for as long a time.Saliva reflects what is in your blood.Your body works hard to keep your blood as clean as possible,putting impurities into storage in your fat cells and then excreting them through your sweat and urine.So to prepare for a saliva-drug-test it would be wise to drink lots of water and to sweat.Methamphetamine can show up as positive in a saliva test for between 2-5 days (ish). more
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