Caloric restriction
Caloric Restriction
Caloric restriction (pronunciation: /kəˈlɔːrɪk rɪˈstrɪkʃən/), also known as CR, is a dietary regimen that reduces calorie intake without incurring malnutrition or a reduction in essential nutrients.
Etymology
The term "caloric restriction" originates from the Latin calor, meaning "heat", and the English restriction, meaning "a limitation or control". It refers to the practice of limiting dietary energy intake.
Definition
Caloric restriction is a dietary approach where the individual reduces their daily caloric intake by 20-40% of their usual intake, but maintains adequate nutrient levels. This is often achieved by consuming nutrient-dense foods and avoiding energy-dense foods.
Related Terms
- Dietary regimen: A plan or course of action that controls one's intake of food and drink.
- Malnutrition: A condition that results from eating a diet in which one or more nutrients are either not enough or are too much.
- Nutrient-dense foods: Foods that are high in nutrients but relatively low in calories.
- Energy-dense foods: Foods that are high in calories but low in nutrients.
Effects
Research has shown that caloric restriction can lead to increased lifespan in a variety of organisms, including yeast, worms, flies, mice, and monkeys. It is also associated with a reduced risk of many age-related diseases, such as cancer, diabetes, and heart disease.
See Also
References
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