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From the sites where prehistoric hunters and gatherers live , to ancientChinaand Viking ship , cannabis has been used across the worldly concern for age , and a new report presents the drug ’s colourful history .

In the report , author Barney Warf describe howcannabis useoriginated thousand of yr ago in Asia , and has since find its way to many region of the world , finally spreading to the Americas and the United States .

An artist�s image shows marijuana plants overshadowing the Earth.

This map shows how marijuana spread throughout the world, from its origins on the steppes of Central Asia.

" For the most part , it was wide used for medicament and unearthly purposes , " during pre - modern prison term , said Warf , a prof of geographics at the University of Kansas in Lawrence . For instance , the Vikings and knightly Germans used hemp for relieving botheration during childbirth and for toothache , he said .

" The idea that this is an evil drug is a very recent expression , " and the fact that it is illegal is a " historical anomaly , " Warf said . Marijuana has been effectual in many regions of the world for most of its history .

Where did pot come from?

It is important to distinguish between the two familiar race of the marihuana plant , Warf say . Cannabis sativa , known as marijuana , has psychoactive properties . The other plant isCannabis sativa L.(The L was let in in the name in honor of the botanist Carl Linnaeus . ) This subspecies is cognise as hemp ; it is a nonpsychoactive form of cannabis , and is used in manufacturing products such as oil , cloth and fuel . [ 11 Odd fact About Marijuana ]

A second psychoactive species of the plant , Cannabis indica , was identify by the French natural scientist Jean - Baptiste Lamarck , and a third , uncommon one , Cannabis ruderalis , was named in 1924 by Russian botanist D.E. Janischevisky .

Cannabis flora are believed to have evolve on the steppes of Central Asia , specifically in the regions that are now Mongolia and southern Siberia , according to Warf . The chronicle of cannabis habit goes back as far as 12,000 years , which places the plant amonghumanity ’s oldest cultivated crops , according to information in the Koran " Marihuana : The First Twelve Thousand Years " ( Springer , 1980 ) .

This map shows how marijuana spread throughout the world, from its origins on the steppes of Central Asia.

This map shows how marijuana spread throughout the world, from its origins on the steppes of Central Asia.

" It likely flourished in the nutrient - robust dump sites of prehistoric hunter and collector , " Warf wrote in his study .

Burned ganja seeds have also been found in kurgan burial mound in Siberia dating back to 3,000 B.C. , and some of the grave of noble people inter in Xinjiang part of China and Siberia around 2500 B.C. have include large quantity of mummified psychotropic marijuana .

Bothhemp and psychoactive marijuanawere used widely in ancient China , Warf wrote . The first record of the drug ’s medicinal use dates to 4000 B.C. The herbaceous plant was used , for illustration , as an anaesthetic agent during surgery , and stories say it was even used by the Chinese Emperor Shen Nung in 2737 B.C. ( However , whether Shen Nung was a real or a mythic figure has been contend , as the first emperor butterfly of a unified China was stomach much later than the supposed Shen Nung . )

Drawing of the inside of an ancient room showing two people taking drugs.

From China , coastal farmers brought mint to Korea about 2000 B.C. or before , according to the book " The Archeology of Korea " ( Cambridge University Press , 1993 ) . Cannabis came to the South Asiatic subcontinent between 2000 B.C. and 1000 B.C. , when the region was invaded by the Aryans — a mathematical group that spoke an primitive Indo - European language . The drug became widely used in India , where it was fete as one of " five kingdoms ofherbs … which release us from anxiety " in one of the ancient Sanskrit Vedic poems whose name read into " Science of Charms . "

From Asia to Europe

Cannabis came to the Middle East between 2000 B.C. and 1400 B.C. , and it was belike used there by theScythians , a nomadic Indo - European radical . The Scythians also likely carried the drug into southeast Russia andUkraine , as they use up both territories for year , according to Warf ’s account . Teutonic tribes bring the drug into Germany , and marijuana went from there to Britain during the fifth C with the Anglo - Saxon invasions . [ Seemap of marijuana ’s spreadthroughout the universe . ]

" Cannabis seeds have also been discover in the remains of Viking ship date to the mid - ninth 100 , " Warf write in the study .

Over the next centuries , cannabis migrate to various region of the world , traveling through Africa , reaching South America in the nineteenth century and being carried north afterwards , eventually pass North America .

A close-up image of the face of a bat with their wings folded under their face

How did marijuana get to the United States?

After this really long " trip " throughout the pre - forward-looking and modern worlds , cannabis finally come to the United States at the beginning of the twentieth century . It arrived in the southwest United States from Mexico , with immigrants fleeing that country during the Mexican Revolution of 1910 - 1911 .

" Many early prejudices against marijuana were thinly obscure anti-Semite fears of its tobacco user , often promulgated by reactionary newspapers , " Warf write in his report . " Mexicans were frequently blamed for smoking marijuana , property crimes , seduce children and engaging in murderous sprees . "

Americans laws never recognize the difference betweenCannabis sativa L. andCannabis sativa . The industrial plant was first outlawed in Utah in 1915 , and by 1931 it was illegal in 29 state , accord to the report .

An illustration of two Indigenous people pulling hand cart-like contraptions

In 1930 , Harry Aslinger became the first commissioner of the Federal Bureau of Narcotics ( FBN ) and undertook multiple efforts to make marijuana illegal in all state . In 1937 , the Marijuana Tax Act put cannabis under the regulation of the Drug Enforcement Agency , criminalise possession of the flora throughout the state .

" Today , the federal government activity still classifies marijuana as a agenda I controlled substance , along with heroin and LSD , indicating it has mellow potential for abuse and dependency , no accepted aesculapian uses and no safe grade of use , " Warf wrote .

Originally write on Live Science .

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