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Efforts to isolate the active ingredients in cannabis were made in the 19th century. [86] Cannabidiol was studied in 1940 from Minnesota wild hemp [86] and Egyptian Cannabis indica resin. [87] [88] The chemical formula of CBD was proposed from a method for isolating it from wild hemp. [86] Its structure and stereochemistry were determined in ...
Cannabis essential oils that are cannabinoid-free have been tested for central nervous effects. Natural monoterpenes and sesquiterpenes from cannabis flowers have relaxing, sedative and anti-depressant effects when inhaled. Their application in aromatherapy is increasing, but the high price of the natural oil (50$ per milliliter) is a limiting ...
Cannabis plants can exhibit wide variation in the quantity and type of cannabinoids they produce. The mixture of cannabinoids produced by a plant is known as the plant's cannabinoid profile. Selective breeding has been used to control the genetics of plants and modify the cannabinoid profile.
Close up of a Cannabis plant. Cannabis (/ˈkænəbɪs/) is commonly known as marijuana or hemp and has two known strains: Cannabis sativa and Cannabis indica, both of which produce chemicals to deter herbivory. The chemical composition includes specialized terpenes and cannabinoids, mainly tetrahydrocannabinol (THC), and cannabidiol (CBD ...
Hash oil is an extracted cannabis product that may use any part of the plant, with minimal or no residual solvent. It is generally thought to be indistinct from traditional hashish , at-least according to the 1961 UN Single Convention on Narcotic Drugs that defines these products as "the separated resin, whether crude or purified, obtained from ...
Cannabis smoke was listed as a cancer agent in California in 2009. [31] A study by the British Lung Foundation published in 2012 identifies cannabis smoke as a carcinogen and also finds awareness of the danger is low compared with the high awareness of the dangers of smoking tobacco particularly among younger users. Other observations include ...
In the Newport Daily News article, "Authorities: Man smoked marijuana oil, took meds before deadly bus crash"(May 17), it was reported that a Florida man was charged with eight counts of DUI ...
Critics of drug prohibition point to laws against marijuana as a cause for the popularity of synthetic products, and argue that cannabis legalization reduces demand for substitutes. [ 56 ] [ 57 ] [ 58 ] The drug is most commonly used in populations that cannot easily acquire or consume marijuana, such as teenagers, inmates, [ 59 ] [ 60 ] people ...