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Thc. THC (TetraHydroCannabinol) is found in marijuana, a mixture of the dried
flowering tops and leaves from the plant cannabis sativa. ...
THC. THC (TetraHydroCannabinol) is found in marijuana, a mixture of the dried
flowering tops and leaves from the plant cannabis sativa. ...
THC. ... The main active substance in cannabis, tetrahydrocannabinol (THC), has been
available for limited purposes as a Schedule II synthetic drug since 1985. ...
... Although cannabis consists of a minimum of 400 different chemicals, its main
mind-altering ingredient is THC (delta-9-tetrahydrocannabinol). ...
... The main active chemical in marijuana is THC The membranes of certain nerve
cells in the brain contain protein receptors that bind to THC. ...
Submitted by oppapers on October 10, 2000
Category: Science
Words: 655 | Pages: 3
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THC (TetraHydroCannabinol) is found in marijuana, a mixture of the dried flowering tops and leaves from the plant cannabis sativa. This chemical, THC, is responsible for the euphoric feeling associated with smoking marijuana. Marijuana contains over 400 different chemicals. THC belongs to a group of chemicals found in marijuana called cannibinoids. There are only 60 of these cannibinoids known at present, all of which can only be found in marijuana.
THC is the main psychoactive cannabinoid in marijuana. The concentration of THC and other cannabinoids in marijuana varies greatly depending on growing conditions, plant genetics, and processing after harvest. In the usual mixture of leaves and stems of marijuana, concentration of THC ranges from 0.3 percent to 4 percent by weight. However, specially grown and selected marijuana can contain 15 percent or more THC. So, a marijuana cigarette weighing 1 gram (g) might contain as little as 3 milligrams (mg) of THC or as much as 150 mg or more.
THC can stay in someone's system from 20 hour to 30 days, although the "high" produced by THC often does not exceed 2 hours. The human body breaks the THC down into metabolites. These metabolites, 11-hydroxy-THC and 11-nor-9-carboxy-delta-9-THC, are what is stored in your fat cells, not the chemical which causes the psychoactive effect. Because these metabolites carry the prefix THC, many anti-drug activists are able to claim that marijuana stays in your body for much longer, and keeps you high for days of weeks. The delta-9-THC that is found in marijuana must be broken down into these water-soluble molecules before they can be removed from the body.
THC is quite potent when compared to most other psychoactive drugs. Large doses of THC delivered by marijuana or administered in the pure form can produce mental and perceptual effects similar to drugs usually termed hallucinogens or psychomimetics. Although the chemical can be very potent, lethal...
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