Tetrahydrocannabinol, or THC, is a chemical found in the HEMP plant, CANNABIS SATIVA, that causes the PSYCHOACTIVE effects in MARIJUANA, BHANG, HASHISH, and GANJA. Hashish is derived from the resin that oozes from the flowering tips of the female...

Δ9-tetrahydrocannabinol (THC) is the principal active ingredient of CANNABIS. It binds to specific THC receptors in brain, for which ANANDAMIDE is the natural LIGAND. See also:...

The most active of the principal constituents of marijuana, contained in various parts of the...

Tetrahydrocannabinol, also known as THC, Δ9-THC, Δ9-tetrahydrocannabinol (delta-9-tetrahydrocannabinol), Δ1-tetrahydrocannabinol (using an older numbering scheme), or dronabinol, is the main psychoactive substance found in the Cannabis plant. It was...

Background: Knowing the time cannabis was last used is important for determining impairment in accident investigations and clinical evaluations. Two models for predicting time of last cannabis use from single plasma cannabinoid concentrations-model I, using Δ^sup 9^-tetrahydrocannabinol (THC), and model II, using the concentration...

Many psychoactive drugs mimic compounds in the brain. For example, tetrahydrocannabinol (THC), the primary active ingredient in marijuana, binds to the same receptors in the brain as a natural lipid molecule called anandamide. Daniele Piomelli of the University of California, Irvine and...

Two farmers granted the first licenses in the nation to grow industrial hemp filed a federal lawsuit Monday to get final permission from the Drug Enforcement Administration.The lawsuit asks a federal judge to recognize that hemp is allowed to be grown in North Dakota, said...

Two North Dakota farmers who received the nation's first state licenses to grow industrial hemp have been granted renewals, though forces outside the state will largely decide whether the farmers will ever get a crop in the ground.David Monson and Wayne Hauge had state licenses...