Caffeine Half Life Sleep: How Adenosine & Clearance Kinetics Ruin Deep Rest Quick Summary: Most people believe the effects of an afternoon coffee wear off the moment the initial energy surge subsides. In reality, caffeine exhibits an average elimination half-life of 5 hours (ranging from 3 to 9+ hours based on liver enzymes). Even if … Read more
Negative Dilute Urine Drug Test: Meaning & Creatinine Levels A negative dilute drug test means no drugs were found at or above the cutoff, but the urine was unusually watery, with low creatinine and low specific gravity. It isn’t a positive result. Because dilution can lower drug concentrations, though, a recollect is sometimes required. That … Read more
If someone has told you that you need to take an “ETG test,” your first reaction is probably a mix of confusion and worry. Is this the same as a breathalyzer? Can it catch you days after a drink? Can it be wrong? Those questions matter, because ETG testing isn’t like the alcohol tests most … Read more