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Here’s How Long Different Drugs Stay In Your System

Contrary to what many advertised drug tests might promise, not all substances leave their telltale chemical signature in the body for the same amount of time. The moment we take a drug — whether we snort, smoke, or swallow it — our bodies begin to break it down. In the process, metabolites, or byproducts, of the drug are produced, which can linger in our blood, urine (and even in our hair) for long after the initial effects of the drug are felt. Traces of these metabolites are what drug testers look for, since they’re a good indication that someone has actually used a drug rather than merely come into accidental contact with it.   And while hair-based drug tests are fairly accurate, tests of blood and urine are simply unable to detect the vast majority of drugs, so long as you haven’t used for about a week. Heroin, for example, is generally undetectable in urine after three to five days.   As the chart below shows, traces of drugs like LSD, morphine, heroin, amphetamines, and alcohol all remain in the blood for just 12 hours or less:

Heres_how_long_different_drugs Here's How Long Different Drugs Stay In Your System Here’s How Long Different Drugs Stay In Your System Heres how long different drugs

For urine, the window of detectibility is a little bit wider — roughly three to six days for LSD, MDMA, and morphine, for example — and up to 30 days for marijuana:

Heres_how_long_different_drugs2a Here's How Long Different Drugs Stay In Your System Here’s How Long Different Drugs Stay In Your System Heres how long different drugs2a

Hair-based drug tests are the most accurate, as the chart below shows, since traces of everything from alcohol to morphine can remain in the follicle for up to 90 days:

Heres_how_long_different_drugs3 Here's How Long Different Drugs Stay In Your System Here’s How Long Different Drugs Stay In Your System Heres how long different drugs3

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[1] Here’s how long different drugs stay in your system, Yahoo News, February 20, 2016 10:00 AM
[2] Erin Brodwin and Dragan Radovanovic, Here’s how long different drugs stay in your system, Business Insider, February 20, 2016

 

About Bill Wallace

Bill Wallace is a self-fashioned writter, a computer programmer and cybermarketer from Quebec City, Canada who decided to enter the political arena after his disillusionment with the socialist system under which he was living in the French Canadian province of Quebec.

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