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:For "eat" or "EAT" as an abbreviation or acronym, see EAT. In general terms, eating (formally, ingestion) is the process of consuming something edible, i.e. food, for the purpose of providing for the nutritional needs of an animal, particularly their energy requirements. All animals must eat other organisms in order to survive: carnivores eat other animals, herbivores eat plants, and omnivores consume a mixture of both. While the process of eating varies from species to species, in humans eating is performed by placing food in the mouth and then swallowing it, with chewing often occurring between these actions. Eaten food is then digested.
Eating practices
Disorders Physiologically, eating is generally triggered by hunger, but there are numerous physical and psychological conditions that can affect appetite and disrupt normal eating patterns. These include depression, food allergies, bulimia, anorexia nervosa, pituitary gland misfunction and other endocrine problems, and numerous other illnesses and eating disorders. A chronic lack of nutritious food can cause various illnesses, and will eventually lead to starvation. When this happens in a locality on a massive scale it is considered a famine. If eating and drinking is not possible, as is often the case when recovering from surgery, alternatives are enteral nutrition and parenteral nutrition. Wolfing For dietary, religious, or alternative medicine purposes, some people may choose to consume more food than necessary, even after uncomfortably full. Such practices is called wolfing, named after the wolf. Wolfing may lead to obesity or malnutrition if the food or substance consumed depletes nutritional stores in the body. Chronic wolfing may also be a sign of binge eating disorder. See also | ||||||||||
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