Overview: Chewing tobacco is a type of smokeless tobacco product that is placed between the cheek and lower gum to draw out its flavor. It consists of coarsely chopped aged tobacco that is flavored and often sw ...

Overview: Coca is any of the four cultivated plants in the family Erythroxylaceae, native to western South America. Coca is known worldwide for its psychoactive alkaloid, cocaine.

Overview: Khat (Catha edulis), also known as Bushman's tea, especially in South Africa, is a flowering plant native to eastern and southeastern Africa. It has a history of cultivation originating in the Harar area ...

Overview: Betel nut chewing, also called betel quid chewing or areca nut chewing, is a practice in which areca nuts (also called "betel nuts") are chewed together with slaked lime and betel leaves for their stimulant ...