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Tetrahydrocannabinol (THC) is a cannabinoid found in cannabis. [9] It is the principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant. Although the chemical formula for THC (C 21 H 30 O 2 ) describes multiple isomers , [ 10 ] the term THC usually refers to the delta-9-THC isomer with ...
Since ancient humans used hemp seed as food, it was quite natural for them to also discover the medicinal properties of the plant." [ 74 ] Emperor Shen-Nung , who was also a pharmacologist, wrote a book on treatment methods in 2737 BCE that included the medical benefits of cannabis.
Tetrahydrocannabinol (THC) is the primary psychoactive component of the Cannabis plant. Delta-9-tetrahydrocannabinol (Δ 9-THC, THC) and delta-8-tetrahydrocannabinol (Δ 8-THC), through intracellular CB 1 activation, induce anandamide and 2-arachidonoylglycerol synthesis produced naturally in the body and brain [citation needed] [dubious ...
New research published in The Lancet details an association between high cannabis potency — or concentration of tetrahydrocannabinol (THC) — and an increased risk of psychosis and cannabis use ...
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known by several slang terms, such as marijuana, pot or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent.
A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Cannabis is mostly used recreationally or as a medicinal drug, although it may also be used for spiritual purposes. In 2013, between 128 and 232 million people used cannabis (2.7% to 4.9% of the global population between the ages of 15 and 65).
Δ 9-tetrahydrocannabinol (THC) Cannabis sativa, scientific drawing from c. 1900. Although the main psychoactive constituent of Cannabis is tetrahydrocannabinol (THC), the plant is known to contain more than 500 compounds, among them at least 113 cannabinoids; however, most of these "minor" cannabinoids are only produced in trace amounts. [10]