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Diet and Nutrition Glossary

Clear definitions for terms that are often used loosely or without context.

Calorie Deficit

A state in which energy intake is lower than energy expenditure over a period of time.

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Diet Quality

A broad description of how well an eating pattern aligns with nutritional priorities such as adequacy, variety, balance, and moderation.

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Ketosis

A metabolic state in which ketone production rises because carbohydrate availability is low.

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Time-Restricted Eating

An eating schedule that limits daily food intake to a consistent window of hours.

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