Relation To Economic Development
The nutrition transition has much of its roots in economic factors related to the development of a nation or subpopulations within a nation. It was once believed that current nutrition transition was endemic only to industrialized nations like the United States, but increasing research has indicated that not only is nutrition transition occurring most rapidly in low- and middle-income developing countries, the stress of its effects stands to burden the poorest populations of these countries the most as well. This shift is attributable to many causes. Globalization has played a large role in altering the access and availability of foods in formerly undeveloped nations. Demographic shifts from rural to urban areas are central to this as well as the liberalization of food markets, global food marketing, and the emergence of transnational food companies in developing countries. All these forces of globalization are creating lifestyle changes that contribute to the nutrition transition. Technological advancements are making previously arduous labor less difficult and thus altering energy expenditure that would have helped offset the caloric increases in the diet. Daily tasks and leisure are also affected by technological advancements and contributing to greater rates of inactivity. The aforementioned increases in calorie are due to increased consumption of edible oils, animal-source foods, caloric sweeteners, accompanied by reduced consumption of grains and fruits and vegetables. These changes play into human biological preferences seen across the world. Socioeconomic factors also play an important role as do cultural values tied to appearance and status.
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