A coffee plant is a tree or a bush which has white . Originally from , the plant spread to many other parts of the world, including South America, where and Columbia are the main producers. Here coffee arabica is mostly grown at heights between 1000 and 2500 meters above level. Coffee robusta is dominant in Africa, where it can grow at lower and near sea level.

A coffee tree produces yellowish berries that later on become . They are hand-picked and separated from leaves and other substances, then they are washed and dried. A fully-grown coffee tree can produce up to a of coffee. Afterwards the beans are put into bags and shipped to other countries where they are . There they are mixed into different kinds of or tastes. Coffee must be ground before it is . There are many techniques for making coffee. Sometimes simple coffee machines use a , espresso machines make coffee by forcing hot water through a pad of coffee. Some people buy instant coffee, which they dissolve in hot water.

Coffee contains caffeine, which your body. Even though coffee is not a dangerous drink, small children and people with problems should not drink too much of it. In decaffeinated coffee caffeine is in a chemical process.

Coffee came to Europe in the 16th and 17th centuries when the invaded the continent. A short time later coffee was brought to America. The United States is the world's largest of coffee today.