Negative calorie diet
Negative Calorie Diet
The Negative Calorie Diet (pronounced: neg-uh-tiv kal-uh-ree dahy-it) is a dietary approach that suggests the body burns more calories to digest certain foods than the calories these foods contain, resulting in a net loss of calories, and thus, weight loss.
Etymology
The term "Negative Calorie Diet" is derived from the concept of negative calorie balance, which refers to the state where the body uses more calories for digestion, absorption, and utilization than it receives from the food.
Concept
The Negative Calorie Diet is based on the principle of Thermogenesis, the process by which the body generates heat, or energy, by increasing the metabolic rate above the resting level. It is believed that certain foods, such as celery, grapefruit, lemon, lettuce, broccoli, and cucumber, require more energy to be broken down and digested than the energy they provide to the body. This results in a negative calorie balance, which theoretically leads to weight loss.
Criticism
Critics of the Negative Calorie Diet argue that while the concept of thermogenesis is scientifically valid, the idea that eating certain foods can lead to a negative calorie balance and thus weight loss is not supported by scientific evidence. They point out that the body's metabolic processes are complex and influenced by many factors beyond the type of food consumed.
Related Terms
- Calorie: A unit of energy used in nutrition.
- Diet: The kinds and amounts of food that a person, animal, or community habitually eats.
- Thermogenesis: The process of heat production in organisms.
- Metabolism: The chemical processes that occur within a living organism in order to maintain life.
External links
- Medical encyclopedia article on Negative calorie diet
- Wikipedia's article - Negative calorie diet
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