Coffee
Coffee is one of the most widely used stimulant beverage. The reason why stimulant is used for this beverage is because it helps people during long work hours. It is quiet popular among students and workers as they have to be awake for long hours, and at these tiring hours only coffee would help them out. Coffee was discovered in the highlands of Ethiopia in the 9th century. From Ethiopia it was then exported to the rest of the world during 11th century. Coffee is in high demand around the world and many countries have taken the initiative to coup up with this demand.
