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Many factors influence how long a chemical lingers in the body or how long it shows up in a drug test. These factors include:

  • A person’s body fat percentage 
  • How frequently they are using the drug
  • A person’s smoking habit
  • The drug screen’s sensitivity

Alcohol and other drugs can vanish from the body in as little as a few hours. Weed, on the other hand, lasts far longer.

Tetrahydrocannabinol, or THC, can be detected in urine, blood, and hair for several days after usage, although saliva tests can only identify THC for a few hours. It is due to the way THC is metabolized in the body.

THC is a lipid-soluble molecule that has been verified which means it binds to fat in the body, lengthening the time it takes for someone to eliminate THC.

How long is it detectable via drug testing?

These metabolites stay in your system long after the benefits of marijuana have faded.

Urine testing

Marijuana is detected in urine for the following amounts of time after the last usage, according to Mayo Clinic Proceedings:

  • Three days for occasional users (up to three times a week)
  • 5 to 7 days for moderate users (four times a week).
  • 10 to 15 days for chronic users (daily).
  • More than 30 days in chronic heavy users (multiple times a day).

Fat-molecule indicates that cannabis metabolites bind to fat molecules in your body. As a result, they may take a long time to leave your system.

Blood testing

According to an article in Therapeutic Drug Monitoring, marijuana is frequently detectable in the blood for 1 to 2 days. However, it has been discovered in some cases after 25 days. The length of time it may be detected rises with chronic high consumption.

Within seconds of inhaling marijuana, it is detectable in the bloodstream. It’s dispersed throughout the body’s tissues. Some of it is reabsorbed and broken down in the blood. Its metabolites might last for days in the bloodstream.

Saliva testing

Marijuana is detectable in saliva for the following amounts of time after last use, according to a 2014 review trusted Source on cannabinoids in oral fluid:

  • 1 to 3 days for occasional users
  • 1 to 29 days for chronic users

Smoking and being exposed to smoke might cause marijuana to enter the saliva. But, on the other hand, its metabolites are only seen in saliva after cannabis has been smoked or consumed.

What factors affect how long it stays in your system?

The length of time cannabis stays in your system is influenced by several things. Like your age, gender, and BMI, some of these characteristics have nothing to do with the medicine itself but how your body processes and metabolizes it.

Other considerations have to do with marijuana and how you use it. It includes how much (dose) and how often you take it (frequency).

Takeaway:

It is impossible to anticipate how long it will take an individual to metabolize marijuana and eliminate it from their systems. Home testing can assist people in determining whether or not they have marijuana in their system. Marijuana should be gone or very low in concentration for almost everyone within 30 days. Marijuana can take ten days or less to leave the body. You should contact the Best Medical Card for medicinal marijuana advice.

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