Editing Medical cannabis (section)

== Classification ==

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".<ref name=nida>{{cite web |publisher= National Institute on Drug Abuse |date= July 2019 |title= Marijuana as Medicine |url= https://www.drugabuse.gov/publications/drugfacts/marijuana-medicine |access-date= 19 April 2016 |archive-date= 17 April 2016 |archive-url= https://web.archive.org/web/20160417154854/https://www.drugabuse.gov/publications/drugfacts/marijuana-medicine |url-status= live }}</ref>

A cannabis plant includes more than 400 different chemicals, of which about 70 are [[cannabinoid]]s.<ref name="Consumer Reports April 2016">{{cite web |author1 = Consumer Reports |title = Up in Smoke: Does Medical Marijuana Work? |url = http://www.consumerreports.org/medical-marijuana/does-medical-marijuana-work/ |website = Consumer Reports |access-date = 24 May 2016 |date = 28 April 2016 |archive-date = 14 March 2021 |archive-url = https://web.archive.org/web/20210314045548/https://www.consumerreports.org/medical-marijuana/does-medical-marijuana-work/ |url-status = live }}</ref> In comparison, typical government-approved medications contain only one or two chemicals.<ref name="Consumer Reports April 2016" /> The number of active chemicals in cannabis is one reason why treatment with cannabis is difficult to classify and study.<ref name="Consumer Reports April 2016" />

A 2014 review stated that the variations in ratio of CBD-to-THC in botanical and pharmaceutical preparations determines the therapeutic vs psychoactive effects (CBD attenuates THC's psychoactive effects<ref name="Schubart et al.2014">{{cite journal | vauthors = Schubart CD, Sommer IE, Fusar-Poli P, de Witte L, Kahn RS, Boks MP | title = Cannabidiol as a potential treatment for psychosis | journal = European Neuropsychopharmacology | volume = 24 | issue = 1 | pages = 51–64 | date = January 2014 | pmid = 24309088 | doi = 10.1016/j.euroneuro.2013.11.002 | s2cid = 13197304 | url = http://cannabisclinicians.org/wp-content/uploads/2013/12/CBD-psychosis-2013.pdf | access-date = 9 July 2016 | archive-date = 20 October 2018 | archive-url = https://web.archive.org/web/20181020210452/http://cannabisclinicians.org/wp-content/uploads/2013/12/CBD-psychosis-2013.pdf }}</ref>) of cannabis products.<ref name="ReferenceA">{{cite journal | vauthors = Koppel BS, Brust JC, Fife T, Bronstein J, Youssof S, Gronseth G, Gloss D | title = Systematic review: efficacy and safety of medical marijuana in selected neurologic disorders: report of the Guideline Development Subcommittee of the American Academy of Neurology | journal = Neurology | volume = 82 | issue = 17 | pages = 1556–1563 | date = April 2014 | pmid = 24778283 | pmc = 4011465 | doi = 10.1212/WNL.0000000000000363 }}</ref>