Khat is an evergreen shrub grown in east Africa and used as a stimulant. Khat contains more than 40 chemicals. Most of the stimulant effect of khat is thought to come from the chemicals cathinone and cathine. Khat can be chewed, or may be brewed as tea. It can also be swallowed with a soft drink. People usually prefer to chew khat in groups.

People chewing khat in a social group.
Last modified: Friday, 4 July 2014, 4:38 PM