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the integrated response to the sight, smell, thought, or taste of food that initiates or delays eating
In eating behavior, the feeling of fullness and diminished desire to eat that accompanies eating a meal; in general, the sensation of having an appetite or desire fully or excessively satisfied.
the feeling of fullness or satisfaction that people experience after meals and inhibits eating until the next meal. determines how much time passes between meals
Components of Energy expenditure
basal metabolism, basal metabolic rate, resting metabolic rate, and lean body mass, and physical activity
Basal Metabolic Rate (BMR)
the rate at which the body expends energy for life sustaining activities.
voluntary movement of skeletal muscles and support system. it is the most variable, and changable component of energy expenditure. depends of 3 factors, muscle mass, body weight, and activity.
Factors that influence energy expenditure
gender, age, growth, body composition, fever, stress, enviornmental temp, fasting/starvation. malnutrition, hormones, smoking, caffeine, and sleep, greater muscle mass has greatest effect on resting energy expenditure
Ways to measure body fat
skin fold, hydrodensitometry, bioelectrical impedence, air displacement plethysmography, duel energy xray absorbption
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