الفهرس 
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Abstract
Chewing khat (Catha edulis Forskal) for their pleasurable stimulation
properties was acommon habite in republic of Yemen and certain area of east
Africa. The leaves contained number of compound mainly (-) cathinone which has
structural and pharmacological action similar to amphetamine. Khat represented
many side effects like increased blood pressure, tachycardia, palpitation, anorexia,
anxiety, euphoria, constipation, stomatitis, esophagitis and abdominal destination.