New drug, new problems Police cracking down on spread of 'khat' in Somali community Sunday, August 11, 2002 Lornet Turnbull THE COLUMBUS DISPATCH KHAT Properties: Khat, pronounced ''cot'' or ''cat,'' is a natural stimulant from the Catha edulis plant, a large flowering shrub that grows in northeastern Africa and the southern Arabian Peninsula. Cultivated for centuries, the plant is used primarily in Ethiopia, Somalia, Yemen and the Middle East. Fresh khat leaves are glossy brown and contain a psychoactive ingredient chemically similar to amphetamine. The drug has two active ingredients: cathinone and cathine. Both are found in the shrub...