Marijuana
THC
What is Marijuana?
Tetrahydrocannabinol (THC) is the primary psychoactive component of marijuana. It is responsible for the “high” that people experience when they use marijuana. THC acts on specific receptors in the brain to produce its effects. Marijuana has been used for medicinal and recreational purposes for thousands of years. It was first used in China around 2700 BCE for its medicinal properties. In the United States, marijuana was legal and widely used for medicinal purposes until the early 20th century. In 1970, the U.S. government classified marijuana as a Schedule I controlled substance under the Controlled Substances Act, making it illegal to grow, sell, or use marijuana for any purpose. However, in recent years, there has been a growing push to legalize marijuana for both medicinal and recreational use in many parts of the world.
Delta-9-tetrahydrocannabinol (THC) is the primary psychoactive component of marijuana. It is responsible for the “high” that people experience when they use marijuana. Drug tests for THC often use delta-9-tetrahydrocannabinol as a calibrator.
Cut-Off Levels (ng/mL)
50 ng/mL (Urine)
25, 50 ng/mL (Saliva)
Window of Detection
2 Hrs. – 40 Days (Urine)
Up to 14 Hrs.
How is it Used?
Marijuana is typically smoked, either by rolling it into a joint or using a pipe or bong. It can also be consumed through edibles, such as baked goods or candies, or by using vaporizers. Additionally, marijuana can be extracted into oils or concentrates that can be used in various ways, such as dabbing or adding to food or drinks.
What are the Effects?
The effects of THC use can include altered perceptions and mood, impaired coordination and memory, and increased heart rate. THC can also produce feelings of relaxation, euphoria, and hunger, as well as confusion and anxiety in some cases. The effects of THC can vary depending on the dose, the method of use, and the individual’s tolerance to the drug.
THC is not water-soluble and is stored in the fatty tissue of the body. As a result, it can take longer for THC to be eliminated from the body compared to other drugs. Metabolites of THC can be detected in urine for up to 30 days or longer with heavy use. This means that even if a person has not used marijuana recently, traces of the drug may still be present in their urine.
Common Symptoms
- Paranoia
- Dizziness
- Rapid Heart Rate
- Slowed Reaction
- Heightened Senses
- Uncontrollable Laughter
- Redness in the Eyes
- Dry Mouth
Legal Status
Marijuana remains a Schedule I substance under the U.S. Controlled Substance Act. Even though it is still considered “illegal” at the Federal level, in recent years many states have taken it upon themselves to regulate the legality of Marijuana. Some have decriminalized the substance, some have made it legal to use medicinally, and others have completely legalized the use marijuana for personal consumption. Right now, there are 12 States that have completely legalized the use of marijuana, 11 that have kept it fully illegal, and 28 that have mixed regulations, where as the state may have legalized the medicinal use of marijuana but not the personal use, or “recreational” use. The regulation of marijuana has been an on going debate for years and will continue to change.
Common Street Names
- Weed
- Pot
- Grass
- Ganja
- Mary Jane
- Herb
- Chronic
- Blunt
- Sensi
- Hash
- Green
- Bud
- Dab
- Wax
- Shatter
- Honey
- 710
- Errl
- Burn
What does it Look Like?
Marijuana can come in many different forms, including dried plant material, edibles, oils, and concentrates. The specific appearance will depend on the type and preparation of the marijuana.
Testing Options
- Integrated Urine Test Cup
- Urine Test Dip Card
- Oral Fluid Test
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