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A 2005 meta analysis concluded that adolescent use of cannabis increases the risk of psychosis, and that the risk is dose-related. [48] A 2004 literature review on the subject concluded that cannabis use is associated with a two-fold increase in the risk of psychosis, but that cannabis use is "neither necessary nor sufficient" to cause ...
Additionally, the medicinal use of cannabidiol, or CBD, often formulated as oil—which is made from cannabis plants but has low levels of their primary psychoactive element, THC—is allowed in ...
The plant was used in China before 2800 BC, and found therapeutic use in India by 1000 BC, where it was used in food and drink, including bhang. [202] [203] Cannabis sativa from Vienna Dioscurides, c. 512 CE. Cannabis has an ancient history of ritual use and has been used by religions around the world.
Cannabis plants produce a unique family of terpeno-phenolic compounds called cannabinoids, some of which produce the "high" which may be experienced from consuming marijuana. There are 483 identifiable chemical constituents known to exist in the cannabis plant, [53] and at least 85 different cannabinoids have been isolated from the plant. [54]
Right now, medical marijuana is commonly used to treat nausea, chronic pain, glaucoma and a range of other issues. But that might not be all that the drug can do. Several studies have uncovered ...
Additionally, the cannabis provided by NIDA has been criticized as being inferior to that which is commonly used by medical cannabis patients in states where it is legal. [ 94 ] [ 95 ] [ 96 ] Criticisms of NIDA-supplied cannabis include high amounts of stems and seeds, [ 97 ] high mold and yeast levels, [ 98 ] low THC content, [ 24 ] and low ...
Frequent cannabis use was associated with a small to medium decrease in working memory, a new study shows. Working memory is needed for everyday tasks such as driving, remembering a shopping list ...
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.