Everything about Diet Nutrition totally explained
In
nutrition, the
diet is the sum of food consumed by a person or other
organism.
Dietary habits are the habitual decisions an individual or culture makes when choosing what foods to eat. Although humans are omnivores, each culture holds some food preferences and some food taboos. Individual dietary choices may be more or less healthy. Proper nutrition requires the proper ingestion and equally important, the absorption of
vitamins,
minerals, and
fuel in the form of
carbohydrates,
proteins, and
fats. Dietary habits and choices play a significant role in
health and
mortality, and can also define cultures and play a role in
religion.
Traditional diet
"Traditional diet" is the diet of native populations such as the
Native Americans,
Khoisan or
Australian Aborigines.
Traditional diets vary with availability of local resources, such as
fish in coastal towns or
grains in
farming towns, as well as with
cultural and
religious customs and
taboos. In some cases, the
crops and
domestic animals that characterize a traditional diet have been replaced by modern high-yield crops, and are no longer available. The
slow food movement attempts to counter this trend and to preserve traditional diets.
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 by
Judaism, and
Halal foods by
Islam.
Diet and life outcome
A study published in the British medical journal
The Lancet demonstrated that those who had been well-fed soon after they were born earned almost 50% more in average salary than those who had not. The study was performed by giving a high-nutrition supplement to some infants and a lower-nutrition supplement to others, with only the researchers knowing which infants received which supplements (see
double-blind study.) The infants that received the high-nutrition supplement had higher average salaries, proving that infant nutrition affects cognitive development independent of other factors such as class or parental income.
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Individual dietary choices
Many individuals choose to limit what foods they eat for reasons of health, morality, environmental impact, or other factors. Additionally, many people choose to forgo food from animal sources to varying degrees; see
vegetarianism,
veganism,
fruitarianism, living foods diet, and
raw foodism.
Properly planned
vegetarian and
vegan diets have been found to completely satisfy nutritional needs in every stage of life,and significantly reduce risks of major diseases.
Diets for weight management
A particular diet may be chosen to seek weight gain, weight loss, sports training, cardio-vascular health, avoidance of cancers,
food allergies and for other reasons. Changing a subject'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. Some foods are specifically recommended, or even altered, for conformity to the requirements of a particular diet. These diets are often recommended in conjunction with
exercise.
Eating disorders
An
eating disorder is a mental disorder that interferes with normal food consumption. Eating disorders often affect people with a negative
body image.
Diet table
Further Information
Get more info on 'Diet Nutrition'.
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