Archeologists document first use of maize as food in Mesoamerica: study

A study in Science Advances reveals that prehistoric Americans began consuming maize as a staple food. Researchers analyzed carbon isotopes in skeletons from Belize, showing a dietary shift from wild animals and plants to maize, which eventually constituted 70% of their diet. This transition was accompanied by the development of sedentary farming and genetic changes in maize, leading to larger crops.

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