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In nutrition, diet is the sum of food consumed by a person or other organism. 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 due to tướng personal tastes or ethical reasons. Individual dietary choices may be more or less healthy.
Complete nutrition requires ingestion and absorption of vitamins, minerals, essential amino acids from protein and essential fatty acids from fat-containing food, also food energy in the khuông of carbohydrate, protein, and fat. Dietary habits and choices play a significant role in the quality of life, health and longevity.
A healthy diet can improve and maintain health, which can include aspects of mental and physical health. Specific diets, such as the DASH diet, can be used in treatment and management of chronic conditions.
Dietary recommendations exist for many different countries, and they usually emphasise a balanced diet which is culturally appropriate. These recommendation are different from dietary reference values which provide information about the prevention of nutrient deficiencies.
Exclusionary diets are diets with certain groups or specific types of food avoided, either due to tướng health considerations or by choice. Many vì thế not eat food from animal sources to tướng varying degrees (e.g. flexitarianism, pescetarianism, vegetarianism, and veganism) for health reasons, issues surrounding morality, or to tướng reduce their personal impact on the environment (e.g. environmental vegetarianism). People on a balanced vegetarian or vegan diet can obtain adequate nutrition, but may need to tướng specifically focus on consuming specific nutrients, such as protein, iron, calcium, zinc, and Vi-Ta-Min B12. Raw foodism and intuitive eating are other approaches to tướng dietary choices. Education, income, local availability, and mental health are all major factors for dietary choices.
A particular diet may be chosen to tướng promote weight loss or weight gain. Changing a person's dietary intake, or "going on a diet", can change the energy balance, and increase or decrease the amount of fat stored by the body toàn thân. The terms "healthy diet" and "diet for weight management" (dieting) are often related, as the two promote healthy weight management. If a person is overweight or obese, changing to tướng a diet and lifestyle that allows them to tướng burn more calories than vãn they consume may improve their overall health, possibly preventing diseases that are attributed in part to tướng weight, including heart disease and diabetes. Within the past 10 years, obesity rates have increased by almost 10%. Conversely, if a person is underweight due to tướng illness or malnutrition, they may change their diet to tướng promote weight gain. Intentional changes in weight, though often beneficial, can be potentially harmful to tướng the body toàn thân if they occur too rapidly. Unintentional rapid weight change can be caused by the body's reaction to tướng some medications, or may be a sign of major medical problems including thyroid issues and cancer among other diseases.
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An eating disorder is a mental disorder that interferes with normal food consumption. It is defined by abnormal eating habits, and thoughts about food that may involve eating much more or much less than vãn needed. Common eating disorders include anorexia nervosa, bulimia nervosa, and binge-eating disorder. Eating disorders affect people of every gender, age, socioeconomic status, and body toàn thân size.
Environmental dietary choices
Agriculture is a driver of environmental degradation, such as biodiversity loss, climate change, desertification, soil degradation and pollution. The food system as a whole – including refrigeration, food processing, packaging, and transport – accounts for around one-quarter of greenhouse gas emissions. More sustainable dietary choices can be made to tướng reduce the impact of the food system on the environment. These choices may involve reducing consumption of meat and dairy products and instead eating more plant-based foods, and eating foods grown through sustainable farming practices.
Religious and cultural dietary choices
Some cultures and religions have restrictions concerning what foods are acceptable in their diet. For example, only Kosher foods are permitted in Judaism, and Halal foods in Islam. Although Buddhists are generally vegetarians, the practice varies and meat-eating may be permitted depending on the sects. In Hinduism, vegetarianism is the ideal. Jains are strictly vegetarian and in addition to tướng that the consumption of any roots (ex: potatoes, carrots) is not permitted.
In Christianity there is no restriction on the kinds of animals that can be eaten, though various groups within Christianity have practiced specific dietary restrictions for various reasons. The most common diets used by Christians are Mediterranean and vegetarianism.
Diet classification table
- Diet food
- Dessert crop
- Intuitive eating
- Nutrition psychology
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- ^ James Tabor, The Jesus Dynasty p. 134 and footnotes p. 335, p. 134 – "The Greek New Testament gospels says John's diet consisted of "locusts and wild honey" but an ancient Hebrew version of Matthew insists that "locusts" is a mistake in Greek for a related Hebrew word that means a cake of some type, made from a desert plant, similar to tướng the "manna" that the ancient Israelites ate in the desert on the days of Moses.(ref 9) Jesus describes John as "neither eating nor drinking," or "neither eating bread nor drinking wine." Such phrases indicate the lifestyle of one who is strictly vegetarian, avoids even bread since it has to tướng be processed from grain, and shuns all alcohol.(ref 10) The idea is that one would eat only what grows naturally.(ref 11) It was a way of avoiding all refinements of civilization."
- ^ Bart D. Ehrman (2003). Lost Christianities: The Battles for Scripture and the Faiths We Never Knew. Oxford University Press. pp. 102, 103. ISBN 978-0-19-514183-2. p. 102 – "Probably the most interesting of the changes from the familiar New Testament accounts of Jesus comes in the Gospel of the Ebionites mô tả tìm kiếm of John the Baptist, who, evidently, lượt thích his successor Jesus, maintained a strictly vegetarian cuisine."
- ^ James A. Kelhoffer, The Diet of John the Baptist Archived 2023-04-06 at the Wayback Machine, ISBN 978-3-16-148460-5, pp. 19–21
- ^ G.R.S. Mead (2007). Gnostic John the Baptizer: Selections from the Mandæan John-Book. Forgotten Books. p. 104. ISBN 978-1-60506-210-5. Archived from the original on 2020-03-13. Retrieved 2021-11-01. p. 104 – "And when he had been brought to tướng Archelaus and the doctors of the Law had assembled, they asked him who he is and where he has been until then. And to tướng this he made answer and spake: I am pure; [for] the Spirit of God hath led mạ on, and [I live on] cane and roots and tree-food."
Wikiquote has quotations related to tướng Diet.
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- The dictionary definition of diet at Wiktionary