A marijuana high typically lasts for a couple of hours, but the THC stays in your system much longer—as in, weeks longer. This fact can be annoying for anyone who has to undergo drug testing. Nobody wants to subject themselves to a 30-day pot detox just so they can keep their job or avoid legal trouble.
So why does THC stay in your system for so long? And is there anything you can do about it?
What Is THC?
For a quick primer, THC is delta-9-tetrahydrocannabinol. It’s one of over 100 cannabinoids found in marijuana. Cannabinoids are the compounds that bind to the body’s natural cannabinoid receptors, and these interactions are what cause the well-known physical and physiological effects of marijuana.
For most marijuana users, THC is the most important cannabinoid; it’s the psychoactive compound that gets you high. But it’s also the compound that conventional urine, blood, and hair tests look for. That means it can come back to haunt you long after your smoke session is a distant memory.
How Long Does THC Stay Inside the Body?
If you’re a regular user, THC may be detectable in your system for a full month, sometimes longer. Some research has even detected cannabis a full 90 days after the user’s last toke. On the flip side, there are instances when THC is only detectable for about 48 hours after use.
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