HSS 2342 Chapter Notes - Chapter 8: Malnutrition, Bloating, Plethysmograph
27 Feb 2017
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The weight change that is controlled by energy balance: energy in=energy out. Rapid changes in weight does not mean fat changes fat changes are gradual. Excess energy is stored as fat fat is used for energy between meals. **instead of losing weight, gaining weight by the muscle is healthier choice + fat may be lost by buildup of more muscle. More muscle leads to more basal metabolic rate burning more calories naturally. Bomb calorimetry: instrument that measures the heat energy released when foods are burned giving estimate of the potential energy of the foods. 1g of cho or pro=4kcal, **1g alcohol = 7kcal (between carb/protein & fat), 1g of fat =9kcal. Appetite: cues a person to eat or to not eat which is dependant on psychological/environmental influence. Hunger: irritating feeling that prompts thoughts of food & motivates them to start eating by physiological response. Involves: hypothalamus that controls activities through nerve signals and chemical messengers.
