Qat farms in Yemen: Ecology, dangerous impacts and future promise

Zahran, M. A.; Khedr, Abdel‐Hamid A.; Dahmash, Abdo M.; El-Ameir, Y. A.

doi:10.1016/j.ejbas.2013.09.002

Cited by 11 publications

(11 citation statements)

References 6 publications

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“…The major cultivation areas of khat is Ethiopia, particularly the Harar district, and Yemen. Chewing khat is a primary recreation in Yemen [ 4 , 64 ]. Catha edulis leaves contain several chemical groups of compounds including alkaloids, tannins, flavonoids, terpenes and sterols, and essential oils.…”

Section: Aromatic Medicinal Plants From Yemenmentioning

confidence: 99%

A Survey of Chemical Compositions and Biological Activities of Yemeni Aromatic Medicinal Plants

2015

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Yemen is a small country located in the southwestern part of the Arabian Peninsula. Yemen’s coastal lowlands, eastern plateau, and deserts give it a diverse topography, which along with climatic factors make it opulent in flora. Despite the introduction of Western medicinal system during the middle of the twentieth century, herbal medicine still plays an important role in Yemen. In this review, we present a survey of several aromatic plants used in traditional medicine in Yemen, their traditional uses, their volatile chemical compositions, and their biological activities.

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Section: Aromatic Medicinal Plants From Yemenmentioning

confidence: 99%

A Survey of Chemical Compositions and Biological Activities of Yemeni Aromatic Medicinal Plants

2015

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“…The leaves, which are mildly narcotic, are popular in Yemen, where they are chewed as a stimulant. Though maligned for its water consumption as a crop and the potential health effects, khat remains Yemen's most profitable crop (Fielding-Smith, 2010;Zahran, Khedr, Dahmash, & El-Ameir, 2014). Milanović (2008) estimates that 70 per cent of Yemeni chew khat leaves, though, in the sample here, less than one third of households consume the plant daily, and about half chew once per week.…”

Section: The Yemini Contextmentioning

confidence: 93%

Comparing the Productive Effects of Cash and Food Transfers in a Crisis Setting: Evidence from a Randomised Experiment in Yemen

Schwab

2019

The Journal of Development Studies

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The productive impacts of transfer programmes have been receiving increased attention. However, little is known about such effects in emergency and crisis settings. Even less is known about whether transfer typea food basket or a cash grantinfluences the productive potential of such transfers. Theory suggests that cash transfers can relieve liquidity constraints associated with investments, but subsidised food provision, by acting as a form of insurance, may prevent households from retreating to conservative income-generating strategies during volatile periods. This report contrasts the effects of transfer modality during a randomised field experiment in Yemen. The results demonstrate a modest productive impact of both modalities and suggest a role for liquidity and price risk channels. Cash transfer recipients invested relatively more in activities with higher liquidity requirements (livestock), while food recipients incorporated higher-return crops into their agricultural portfolios.

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“…The main corridor to which heroin goes to the EU, however, remains the Balkan route. There are also signs of market diversification related to the growing popularity of prescription drugs and new synthetic opioids [80][81][82][83][84][85][86].…”

Section: The Drug Market Of Stimulantsmentioning

confidence: 99%

“…However, there are many potential adverse effects of habitual use of khat on psychological physical traits and social well-being [81]. Some people experience anxiety, tension, hypnagogic hallucinations, hypomania and aggressive behavior or psychosis after taking khat [82][83][84][85][86][87]. Chronic khat eating can lead to mental retardation, possibly contributing to personality disorders and mental deterioration [88].…”

Section: Environmental Social Economic and Political Associations Omentioning

confidence: 99%

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Qat farms in Yemen: Ecology, dangerous impacts and future promise

Cited by 11 publications

References 6 publications

A Survey of Chemical Compositions and Biological Activities of Yemeni Aromatic Medicinal Plants

A Survey of Chemical Compositions and Biological Activities of Yemeni Aromatic Medicinal Plants

Comparing the Productive Effects of Cash and Food Transfers in a Crisis Setting: Evidence from a Randomised Experiment in Yemen

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