Do the risks of khat-induced dependence and psychosis warrant the 2014 UK ban?

Khat leaves originate in East Africa and the Arabian Peninsula and are chewed socially for their psychoactive properties. The main constituents of khat, cathinone and cathine, are illegal substances in most of Europe, including the UK, which reclassified khat as a Class C drug in June 2014. Case reports of khat-induced psychosis and dependence are  …


Khat (Catha edulis): A systematic review of evidence and literature pertaining to its harms to UK users and society

The use of khat (Catha edulis) has been associated with a large number of physiological and societal harms, leading to calls for it to be controlled in the UK. The evidence of these harms is often equivocal, limited by confounding factors, or entirely anecdotal: high-powered, quality-controlled studies are lacking. Regardless, the body of relevant literature  …