摘要:The khat plant (Catha edulis) is produced in certain areas of East Africa and the Arabian peninsula, and the leaves are chewed for their stimulating effect. Fresh material, which is preferred by users, contains a substance that is rapidly converted to (+)-norpseudoephedrine. As a consequence of the traditional means of consumption, intoxication with khat is self-limiting but chronic consumption can cause certain disturbances to the health of the user and may also lead to social and economic damage to the individual and the community. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (1.3M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 21 22 23 24 25 26 27 28 29