Search results
Results from the WOW.Com Content Network
In the U.S., the National Institute on Drug Abuse defines medical cannabis as "using the whole, unprocessed marijuana plant or its basic extracts to treat symptoms of illness and other conditions". [14] A cannabis plant includes more than 400 different chemicals, of which about 70 are cannabinoids. [15]
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.
Laboratory experiments have suggested that cannabis and cannabinoids have anticarcinogenic and antitumor effects, [22] including a potential effect on breast- and lung-cancer cells. [23] While cannabis may have potential for refractory cancer pain or use as an antiemetic, much of the evidence comes from outdated or small studies, or animal ...
Cannabis use disorder is diagnosed when a person has two or more of such symptoms as craving weed, becoming tolerant to its effects, using more than intended, using marijuana even though it causes ...
News. Science & Tech
CBN was the first cannabis compound to be isolated from cannabis extract in the late 1800s. Its structure and chemical synthesis were achieved by 1940 [ 34 ] , followed by some of the first pre-clinical research studies to determine the effects of individual cannabis-derived compounds in vivo . [ 35 ]
The extract, which is taken from the cannabis sativa plant, damages certain harmful cancer cells and forces them to self-destruct, the researchers with Australia’s Charles Darwin University said ...
Cannabis was commonly sold in tincture form by Parke-Davis, Eli Lilly, E. R. Squibb & Sons, and other drug manufacturers. [10] [11] By the end of the 19th century, the use of cannabis in medicine had declined due to a number of factors, including difficulty in controlling dosages and the rise in popularity of synthetic and opium-derived drugs. [9]