A report on Stimulant and Khat

Ritalin: 20 mg sustained-release (SR) tablets
A chart comparing the chemical structures of different amphetamine derivatives
Khat leaves
Roasted coffee beans, a common source of caffeine.
Qat tree, Yemen
Tablets containing MDMA
Khat cultivation in western Yemen near At Tawilah
Lines of illicit cocaine, used as a recreational stimulant
Addiction experts in psychiatry, chemistry, pharmacology, forensic science, epidemiology, and the police and legal services engaged in delphic analysis regarding 20 popular recreational drugs. Khat was ranked 17th in dependence, 20th in physical harm, and 20th in social harm.
Catha edulis
Cathinone structure
Man in Mogadishu dividing khat into bunches for guests in preparation for a long evening of tea, conversation and chewing
Man chewing khat in Sana'a, Yemen (January 2009)
Harari men consuming khat in the street of Harar, Ethiopia
Khat market in Ethiopia
Bundles of khat, seized by the DEA in July 2006

Khat contains the alkaloid cathinone, a stimulant, which is said to cause excitement, loss of appetite, and euphoria.

- Khat

It is reported to be manufactured in China and is chemically similar to the cathinone compounds found in the khat plant of eastern Africa.

- Stimulant
Ritalin: 20 mg sustained-release (SR) tablets

4 related topics with Alpha

Overall

Man chewing khat

Cathinone

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Man chewing khat
Mechanism of the Non-Beta Oxidation pathway for the biosynthesis of S-Cathinone in the Khat plant
Chemical structure of bupropion, a cathinone derivative

Cathinone (also known as benzoylethanamine, or β-keto-amphetamine) is a monoamine alkaloid found in the shrub Catha edulis (khat) and is chemically similar to ephedrine, cathine, methcathinone and other amphetamines.

It is probably the main contributor to the stimulant effect of Catha edulis also known as khat.

U.S. Food and Drug Administration agents inspect packages for illegal drug shipments at an international mail facility in New York

Controlled Substances Act

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Statute establishing federal U.S. drug policy under which the manufacture, importation, possession, use, and distribution of certain substances is regulated.

Statute establishing federal U.S. drug policy under which the manufacture, importation, possession, use, and distribution of certain substances is regulated.

U.S. Food and Drug Administration agents inspect packages for illegal drug shipments at an international mail facility in New York

αMT (alpha-methyltryptamine), a psychedelic, stimulant, and entactogen drug of the tryptamine class that was originally developed as an antidepressant by workers at Upjohn in the 1960s.

Cathinone, an amphetamine-like stimulant found in the shrub Catha edulis (khat).

Sympathomimetic drug

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Sympathomimetic drugs (also known as adrenergic drugs and adrenergic amines) are stimulant compounds which mimic the effects of endogenous agonists of the sympathetic nervous system.

Sympathomimetic drugs (also known as adrenergic drugs and adrenergic amines) are stimulant compounds which mimic the effects of endogenous agonists of the sympathetic nervous system.

Thus, all sympathomimetic amines fall into the larger group of stimulants (see psychoactive drug chart).

cathine (found in Catha edulis)

Yemen

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Country in Western Asia, on the southern end of the Arabian Peninsula.

Country in Western Asia, on the southern end of the Arabian Peninsula.

Ruins of the Great Dam of Marib
A funerary stela featuring a musical scene, first century CE
Himyarite King Dhamar'ali Yahbur II
A Sabaean gravestone of a woman holding a stylized sheaf of wheat, a symbol of fertility in ancient Yemen
The interior of the Great Mosque of Sana'a, the oldest mosque in Yemen
Al-Qahyra (Cairo) Castle's Garden in Taiz, the capital of Yemen during the Rasulid's era
A 13th-century book illustration produced in Baghdad by al-Wasiti showing a slave-market in the town of Zabid in Yemen.
Portuguese Viceroy Afonso de Albuquerque failed twice to conquer Aden, though the Portuguese Empire managed to rule Socotra until 1511.
Al Bakiriyya Ottoman Mosque in Sana'a, was built in 1597
Ottoman soldiers and Yemeni locals
Ruins of Thula fortress in 'Amran, where al-Mutahhar ibn Yahya barricaded himself against Ottoman attacks
Mocha was Yemen's busiest port in the 17th and 18th centuries
The building of the Legislative Council of Aden, built by the English in the 19th century as St. Mary's Church, was converted into the building of the Legislative Council in the 1960s, and is now a museum
The Ottoman Grand Vizier and Wāli of Yemen Ahmed Muhtar Pasha
Imam Yahya Hamid Ed-Din's house near Sana'a
Queen Elizabeth II holding a sword, prepared to knight subjects in Aden in 1954
Egyptian military intervention in North Yemen, 1962
British Army's counter-insurgency campaign in the British-controlled territories of South Arabia, 1967
Yemen Arab Republic (in orange) and South Yemen (in blue) before 1990
A topographic map of Yemen
Yemen's Köppen climate classification map is based on native vegetation, temperature, precipitation and their seasonality.
Former Yemeni President Ali Abdullah Saleh at the Pentagon, 8 June 2004
Ousted Yemeni President Abdrabbuh Mansur Hadi with U.S. Secretary of State John Kerry, 7 May 2015
Protest against Saudi blockade of Yemen, New York City, 2017
Soldiers of the Yemeni Army in 2011.
Map of the Federal Regions of Yemen
Governorates of Yemen
Historical GDP per capita development
A proportional representation of Yemen's exports
A coffee plantation in North Yemen
Drilling for oil using a land rig
Yemen's and Shia/Sunni regions. Shia Muslims predominant in the green area of Yemen's West, with the rest of Yemen being Sunni Muslims
Literacy rate of the population aged 15 or older (1995–2015) by UNESCO Institute of Statistics
A Yemeni doctor examines an infant in a USAID-sponsored health care clinic
The National Museum in Sana'a
Typical Yemeni House
Dance in Sa'dah, northwestern Yemen
High-rise architecture at Shibam, Wadi Hadramawt‌
Current (November 2021) political and military control in ongoing Yemeni Civil War (2014–present) 
Controlled by the Government of Yemen (under the Presidential Leadership Council since April 2022) and allies
Controlled by Houthis-led Supreme Political Council
Controlled by Al-Qaeda (AQAP) and Islamic State of Iraq and the Levant-affiliated Ansar al-Sharia
Controlled by the UAE-backed Southern Transitional Council

Principal agricultural commodities produced in the nation include grain, vegetables, fruits, pulses, qat, coffee, cotton, dairy products, fish, livestock (sheep, goats, cattle, camels), and poultry.

A big problem in Yemen is the cultivation of Khat (or qat), a psychoactive plant that releases a stimulant when chewed, and accounts for up to 40 percent of the water drawn from the Sana'a Basin each year, and that figure is rising.