Food is treated in a number of articles. For a description of the processes of absorption and utilization of food, see nutrition; nutrition, human; digestion; and digestive system, human. For information on the methods used to prepare raw foods for cooking, consumption, or
Hunting and gathering, horticulture, pastoralism, and the development of agriculture are the primary means by which humans have adapted to their environments to feed themselves. Food has long served as a carrier of culture in human societies and has been a driving force for globalization. This was especially the case during the early phases of European trade and colonial expansion, when foods such as the hot red pepper, corn (maize), and sweet potatoes spread throughout Europe to Africa and Asia.
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