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The human diet can vary widely. 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).
Diet (nutrition), the sum of the food consumed by an organism or group; Dieting, the deliberate selection of food to control body weight or nutrient intake Diet food, foods that aid in creating a diet for weight loss or gain; Healthy diet, the process of helping to maintain or improve overall health
A desire to lose weight is a common motivation to change dietary habits, as is a desire to maintain an existing weight. Many weight loss diets are considered by some to entail varying degrees of health risk, and some are not widely considered to be effective.
A healthy diet is a diet that maintains or improves overall health. A healthy diet provides the body with essential nutrition : fluid, macronutrients such as protein , micronutrients such as vitamins , and adequate fibre and food energy .
Nutrition in humans is balanced with eating for pleasure, and optimal diet may vary depending on the demographics and health concerns of each person. [37] Humans are omnivores that eat a variety of foods. Cultivation of cereals and production of bread has made up a key component of human nutrition since the beginning of agriculture. Early ...
Dieting is the practice of eating food in a regulated way to decrease, maintain, or increase body weight, or to prevent and treat diseases such as diabetes and obesity.As weight loss depends on calorie intake, different kinds of calorie-reduced diets, such as those emphasising particular macronutrients (low-fat, low-carbohydrate, etc.), have been shown to be no more effective than one another.
Some eat other animals—this is a carnivorous diet (and includes insectivorous diets). Other mammals, called herbivores , eat plants, which contain complex carbohydrates such as cellulose. An herbivorous diet includes subtypes such as granivory (seed eating), folivory (leaf eating), frugivory (fruit eating), nectarivory (nectar eating ...
Ketogenic diet. The ketogenic or "keto" diet involves intake of less than 50 g of carbohydrates daily along with increased fat and protein amounts. [45] One type of ketogenic or low carbohydrate diet is the "Atkins" Diet, which does not restrict protein and fat amounts. [12] Other ketogenic diets restrict the total amount of daily proteins and ...