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Human food is food which is fit for human consumption, and which humans willingly eat.Food is a basic necessity of life, and humans typically seek food out as an instinctual response to hunger; however, not all things that are edible constitute as human food.
Like any luxury product, some foods denote a sense of class and distinction. [6] According to French sociologist Pierre Bourdieu, the food consumed by the upper classes reflect "tastes of refinement", [7] and its perceived value in society. [7] Historically, these were highly exclusive food items, [6] which were marked by high demand and low ...
Saliva moistens and softens food, and along with the chewing action of the teeth, transforms the food into a smooth bolus. The bolus is further helped by the lubrication provided by the saliva in its passage from the mouth into the esophagus. Also of importance is the presence in saliva of the digestive enzymes amylase and lipase.
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 USDA's food pyramid from 2005 to 2011, MyPyramid. The USDA food pyramid was created in 1992 and divided into six horizontal sections containing depictions of foods from each section's food group. It was updated in 2005 with black and white vertical wedges replacing the horizontal sections and renamed MyPyramid. MyPyramid was often displayed ...
Amandines de Provence, poster by Leonetto Cappiello, 1900, which shows a woman eating almond cookies. Eating (also known as consuming) is the ingestion of food.In biology, this is typically done to provide a heterotrophic organism with energy and nutrients and to allow for growth.
Food is formed into a bolus by the mechanical mastication and swallowed into the esophagus from where it enters the stomach through the action of peristalsis. Gastric juice contains hydrochloric acid and pepsin which could damage the stomach lining, but mucus and bicarbonates are secreted for protection.
Reduced daily food intake in the elderly often leads to insufficient protein consumption, contributing to sarcopenia, a condition marked by the loss of muscle mass. Approximately 30% of those aged 60 and above, and over 50% of individuals aged 80 and older, are affected by this condition.