Here's the 6,000-year history of medical marijuana
- Canada recently legalized marijuana use, becoming the second nation in the world to do so.
- Cannabis has been largely regulated since the the early 20th century.
- But medical uses for cannabis have been found in many cultures for thousands of years.
Since the early 20th century, the use of cannabis for any purpose fell out of favor by both regulators and Western culture at large.
In the United States, a wave of regulations made access to cannabis more difficult starting from the late 1900s, ultimately culminating in the Marihuana Tax Act of 1937, which effectively made cannabis use a federal offense. Meanwhile, prohibition in Canada lasted for 85 years until being lifted by recent developments.
Interestingly, however, this recent period of 20th century opposition is actually just a small speck in the wider 6,000-year timeline of cannabis. After all, the plant has been widely regarded for its therapeutic potential for many millennia by different cultures around the world.
6,000 YEARS OF MEDICAL CANNABIS
Today's infographic comes to us from MedReleaf, and it focuses on the medical uses of cannabis discovered by many cultures over time. With uses dating back to Ancient empires such as Rome, Egypt, and China, it helps to put into perspective recent legal and cultural developments regarding cannabis on a broader historical scale.
4000 BC: Pan-p'o village
Cannabis was regarded among "five grains" in China, and was farmed as a major food crop.
2737 BC: Pen Ts'ao Ching
Earliest record of cannabis as a medicinal drug. At this time, Emperor Shen-Nung recognized its treatment properties for over 100 ailments such as gout, rheumatism, and malaria.
2000-1400 BC: Scythians
Nomadic Indo-European peoples used cannabis in steam baths, and also burned cannabis seeds in burial rituals.
2000-1000 BC: Atharva Vedas
Cannabis was described as a "source of happiness", "joy-giver", and "bringer of freedom" in these Hindu religious texts. At this time, cannabis was smoked at daily devotional services and religious rituals.
2000-1000 BC: Ayurvedic Medicine
Open religious use of cannabis allowed for exploration of medical benefits. During this period, it was used to treat a variety of ailments such as epilepsy, rabies, anxiety, and bronchitis.
1550 BC: Ebers Papyrus
Egyptian medical papyrus of medical knowledge notes that medical cannabis can treat inflammation.
1213 BC: Ramesses II
Cannabis pollen has been recovered from the mummy of Ramesses II, the Egyptian pharaoh who was mummified after his death in 1213 BC.
900 BC: Assyrians
Employed the psychotropic effects of cannabis for recreational and medical purposes.
450-200 BC: Greco-Roman use
Physician Dioscorides prescribed cannabis for toothaches and earaches. Greek doctor Claudius Galen noted it was widely consumed throughout the empire. Women of the Roman elite also used cannabis to alleviate labor pains.
207 AD: Hua T'o
First recorded physician to describe cannabis as an analgesic. He used a mixture of cannabis and wine to anesthetize patients before surgery.
1000 AD: Treats Epilepsy
Arabic scholars al-Mayusi and al-Badri regard cannabis as an effective treatment for epilepsy.
1025 AD: Avicenna
The medieval Persian medical writer publishes "Avicenna's Canon of Medicine", stating that cannabis is an effective treatment for gout, edema, infectious wounds, and severe headaches. His work was widely studied from the 13th to 19th centuries, having a lasting impact on Western medicine.
1300 AD: Arab traders
Arab traders bring cannabis from India to Eastern Africa, where it spreads inland. It is used to treat malaria, asthma, fever, and dysentery.
1500 AD: Spanish Conquest
The Spanish brought cannabis to the Americas, where it was used for more practical purposes like rope or clothes. However, years later, it would be used as a psychoactive and medicinal drug.
Napoleon brought cannabis back to France from Egypt, and it was investigated for its pain relieving and sedative qualities. At this time, cannabis would be used to treat tumors, cough, and jaundice.
1839: William O'Shaughnessy
Irish doctor William O'Shaughnessy introduced the therapeutic uses of cannabis to Western medicine. He concluded it had no negative medicinal effects, and the plant's use in a pharmaceutical context would rapidly rise thereafter.
1900: Medical Cannabis
Medical cannabis was used to treat nausea, rheumatism, and labor pain. At this point in time, it is available over-the-counter in medications such as "Piso's cure" and "One day cough cure".
1914: Harrison Act
Drug use was declared a crime in the U.S., under the Harrison Narcotics Tax Act in 1914.
1937: Marihuana Tax Act
The Marihuana Tax Act banned the use and sales of cannabis in the United States.
1964: Discovery of THC
The molecular structure of THC, an active component of cannabis, was discovered and synthesized by Israeli chemist Dr. Raphael Mechoulam.
1970: Classified as Schedule 1 Drug
Cannabis became categorized as a Schedule 1 Drug in the U.S., which limited further research into the plant. It was listed as having "no accepted medical use".
1988: CBD Receptors Discovered
The CBD1 and CBD2 cannabinoid receptors were discovered. Today, we know they are some of the most abundant neuroreceptors in the brain.
2000-2018: Medical cannabis legalization
Governments, such as those of Canada and various states, begin to legalize cannabis for medical purposes from licensed producers. Recreational legalization quickly starts to follow.
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