Cannabis (/ˈkænəbɪs/) is a genus of flowering plants in the family Cannabaceae. The number of species within the genus is disputed. Three species may be recognized: Cannabis sativa, C. indica, and C. ruderalis. Alternatively, C. ruderalis may be included within C. sativa, all three may be treated as subspecies of C. sativa, or C. sativa may be accepted as a single undivided species. The genus is widely accepted as being indigenous to and originating from Asia.
THC, along with its double bond isomers and their stereoisomers, is one of only three cannabinoids scheduled by the UN Convention on Psychotropic Substances (the other two are dimethylheptylpyran and parahexyl). It was listed under Schedule I in 1971, but reclassified to Schedule II in 1991 following a recommendation from the WHO. Based on subsequent studies, the WHO has recommended the reclassification to the less-stringent Schedule III. Cannabis as a plant is scheduled by the Single Convention on Narcotic Drugs (Schedule I and IV). It is specifically still listed under Schedule I by US federal law under the Controlled Substances Act for having "no accepted medical use" and "lack of accepted safety". However, dronabinol, a pharmaceutical form of THC, has been approved by the FDA as an appetite stimulant for people with AIDS and an antiemetic for people receiving chemotherapy under the trade names Marinol and Syndros. (Full article...)
Image 15The use of cannabis, at least as fiber, has been shown to go back at least 10,000 years in Taiwan. "Dà má" (Pinyin pronunciation) is the Chinese expression for cannabis, the first character meaning "big" and the second character meaning "hemp". (from Medical cannabis)
Image 16Relative size of cannabis types (from Cannabis strain)
Image 19The Ebers Papyrus (c. 1550 BCE) from Ancient Egypt has a prescription for medical marijuana applied directly for inflammation. (from Medical cannabis)
Image 20Cannabis indica fluid extract, American Druggists Syndicate, pre-1937 (from Medical cannabis)
Image 37The Chinese character for hemp (麻 or má) depicts two plants under a shelter. Cannabis cultivation dates back at least 3000 years in Taiwan. (from History of cannabis)
Image 38The variety of appearances for cannabis. Only C. sativa (left) is suited for industrial hemp, but it also has medicinal varieties. (from Hemp)
Image 39Hemp being grown in Oregon in 2020 (from Hemp)
Image 40An advertisement for cannabis americana distributed by a pharmacist in New York in 1917 (from Medical cannabis)
Image 41Cannabis as illustrated in Köhler's Book of Medicinal Plants, 1897 (from Medical cannabis)
... that the passage of the A.B. 390 by California's Public Safety Committee marked the first time in United States history that a bill legalizing marijuana passed a legislative committee?
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The illegality of cannabis is outrageous, an impediment to full utilization of a drug which helps produce the serenity and insight, sensitivity and fellowship so desperately needed in this increasingly mad and dangerous world.
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— Carl Sagan
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