THCA (tetrahydrocannabinolic acid) is a non-psychoactive cannabinoid found in raw cannabis, and it’s generally legal in the U.S. as long as it contains less than 0.3% delta-9 THC.

While human overdose is rare, THC can interact with other drugs and has a complex pharmacokinetic profile. THC is classified variably under international and US law, with medical use approved in …

Dec 21, 2025 · THC, or delta-9-tetrahydrocannabinol, is the best-known psychoactive compound found in marijuana. Learn more about the effects, medicinal uses, and risks of THC.

Oct 8, 2025 · THC is short for tetrahydrocannabinol. It’s the main compound in cannabis, responsible for the intoxicating “high” you may feel when you consume some cannabis products.

Mar 4, 2025 · Tetrahydrocannabinol (THC) is the primary psychoactive compound produced by the Cannabis Sativa plant species, which means it is the cornerstone of cannabis’s effects. Also known …

THC works by binding to specific sites in the brain and on the nerves. It's found in the highest levels in the leaves and flowers of the plant. THC is commonly used as a recreational drug.

Jun 17, 2025 · THC is the reason behind the psychotropic effects of marijuana. This influence happens once the THC attaches to the cannabinoid receptors located in the endocannabinoid system (ECS).

Jan 5, 2024 · THC, or tetrahydrocannabinol, is the primary psychoactive compound in cannabis, responsible for the plant’s euphoric effects. When consumed, THC interacts with receptors in the …

Dec 11, 2025 · Tetrahydrocannabinol (THC), active constituent of marijuana and hashish that was first isolated from the Indian hemp plant (Cannabis sativa) and synthesized in 1965.

Jul 9, 2024 · Tetrahydrocannabinol, known colloquially as THC, isn't new. But as of late, more lawmakers move to legalize and decriminalize possession and use of marijuana and more medical …