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In nutrition, diet is the sum of food consumed by a person or other organism. [1] The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related). Although humans are omnivores, each culture and each person holds some food preferences or some food taboos. This may be ...
The Encyclopedia of Food and Culture, Scribner; Mobbs, Michael (2012). Sustainable Food Sydney: NewSouth Publishing, ISBN 978-1-920705-54-1; Nestle, Marion (2007). Food Politics: How the Food Industry Influences Nutrition and Health, University Presses of California, revised and expanded edition, ISBN 0-520-25403-1; The Future of Food (2015).
The term food system describes the interconnected systems and processes that influence nutrition, food, health, community development, and agriculture.A food system includes all processes and infrastructure involved in feeding a population: growing, harvesting, processing, packaging, transporting, marketing, consumption, distribution, and disposal of food and food-related items.
The spike in food prices prevented many people from escaping poverty, because the poor spend a larger proportion of their income on food and farmers are net consumers of food. [109] High food prices cause consumers to have less purchasing power and to substitute more-nutritious foods with low-cost alternatives.
Scientific analysis of food and nutrients began during the chemical revolution in the late 18th century. Chemists in the 18th and 19th centuries experimented with different elements and food sources to develop theories of nutrition. [1] Modern nutrition science began in the 1910s as individual micronutrients began to be identified.
The environmental signals come from the body's senses. The feeling of hunger could be triggered by the smell and thought of food, the sight of a plate, or hearing someone talk about food. [24] The signals from the stomach are initiated by the release of the peptide hormone ghrelin. Ghrelin is a hormone that increases appetite by signaling to ...
Sustainable food systems have been argued to be central to many [1] or all [2] 17 Sustainable Development Goals. [3] Moving to sustainable food systems, including via shifting consumption to sustainable diets, is an important component of addressing the causes of climate change and adapting to it.
Food history is an interdisciplinary field that examines the history and the cultural, economic, environmental, and sociological impacts of food and human nutrition.It is considered distinct from the more traditional field of culinary history, which focuses on the origin and recreation of specific recipes.