AIM In this article, we comment on the current international discourse on khat, we highlight pitfalls and and suggest balanced national international regulatory actions. METHOD A brief an focussed review of the available literature on khat and health and examples from our own research are provided. RESULTS The use patterns of catha edulis (khat) have changed throughout the last decades. Dur...

LESOURD Celine, 2019. Puissance khat. Vie politique d’une plante stimulante. Paris: PUF, 384 p. Bibl., glossaire. Le khat, de son nom scientifique Catha edulis, est un arbre dont les feuilles riches en alcaloides produisent chez ceux qui mastiquent des effets stimulants et euphorisants, analogues a l’ephedrine l’amphetamine. Bien que l’OMS ne reconnaisse pas fortes dependances liees sa consomma...

The aim of this study was to evaluate the genotoxic effects of a crude extract of khat (Catha edulis, Forsk) leaves in rats. Two groups were fed khat crude extract, 1000 and 2000mg/kg body weight, for 90 days and were compared with a control group. The alkaline (pH>13) version of comet assay was used in this study. However, no previous published work has been undertaken and showed the effect of...

background : smoking is a worldwide problem that kills millions of people. women smoke much lower than males but the numbers of smoker women are growing up. the objectives of this study were to assess the prevalence of smoking and khat chewing in medical and non-medical female students at university of science and technology (ust), sana'a, yemen. methods : we used self-administrated questionnai...

Within the last decade the hitherto little known psychoactive substance of khat has emerged as a regional and international issue. In the Horn of Africa khat production has spurred an economic boom, but dramatic increases in consumption have raised public health concerns. Given the complexity of the topic spanning multiple academic disciplines and fields of professional practice, the need for a...

The study investigated the effect of methanol extract and its fractionations obtained from Yemeni khat on the smooth muscle isometric tension in Lewis rat aortal ring preparations and compared the effects of the crimson and green leaves. Khat leaves were sorted into green (khat Light; KL) and crimson (khat Dark; KD) leaves, extracted with methanol, followed with solvent-solvent extraction (benz...