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Wheat is a cereal grain (botanically, a type of fruit called a caryopsis) originally from the Levant region but now cultivated worldwide. In 2016, world production of wheat was 749 million tonnes, making it the second most-produced cereal after maize (1.03 billion tonnes), with more than rice (499 million tonnes). Since 1960, world production of wheat and other grain crops has tripled and is expected to grow further through the middle of the 21st Century.

This grain is grown on more land area than any other commercial food (220.4 million hectares, 2014). World trade in wheat is greater than for all other crops combined. Globally, wheat is the leading source of vegetable protein in human food, having a protein content of about 13%, which is relatively high compared to other major cereals and staple foods. The archaeological record s ests that wheat was first cultivated in the regions of the Fertile Crescent around 9600 BCE.

When eaten as the whole grain, wheat is a source of multiple nutrients and dietary fiber, and is associated with lower risk of several diseases, including coronary heart disease, stroke, cancer and type 2 diabetes. In a small part of the general population, gluten – the major part of wheat protein – can trigger coeliac disease, non-coeliac gluten sensitivity, gluten ataxia and dermatitis