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Mon 28 Dec, 2015 09:27 am
Substance abuse. Substance use. Substance dependency. Substance addiction. Anyone know the difference? Positive drug test and the type of test can mean what? The person has used drugs the day they tested? Could it be possible to have ingested one drug unknowingly while intentionally ingesting another? Eg. Marijuana laced with cocaine. Can a positive drug test be used to diagnose substance abuse problem?