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The quantity of food and drink consumed by an individual may play a role in weight management, as may the types of food and drink a person consumes. [5] [9] [12] For example, intake of sweetened drinks such as sodas or juices can lead to increased energy intake that is not neutralized by a decrease in accompanying food intake. [5]
Energy intake is measured by the amount of calories consumed from food and fluids. [1] Energy intake is modulated by hunger, which is primarily regulated by the hypothalamus, [1] and choice, which is determined by the sets of brain structures that are responsible for stimulus control (i.e., operant conditioning and classical conditioning) and cognitive control of eating behavior.
Specific dynamic action (SDA), also known as thermic effect of food (TEF) or dietary induced thermogenesis (DIT), is the amount of energy expenditure above the basal metabolic rate due to the cost of processing food for use and storage. [1]
Many factors affect weight beyond calories. Genetics, a slowing metabolism, and set-point weight — it can feel like your body is conspiring against you sometimes. All these factors (and more ...
First, the basics: A calorie is a measurement of energy, and the calories in your food supply your body with the fuel it needs to survive. ... since so many factors affect weight loss.” ...
Set point theory can be construed as implying weight regulation in a wide or tight range around the set point, in a symmetric or in an asymmetric manner (i.e. treating weight gain and loss either the same or differently), and may apply to regulation of body fat levels specifically (in a multi-compartment model) or to overall body weight.
Excess appetite for palatable, high-calorie food (especially fat, sugar, and certain animal proteins) is seen as the primary factor driving obesity worldwide, likely because of imbalances in neurotransmitters affecting the drive to eat. [108] Dietary energy supply per capita varies markedly between different regions and countries.
Either way, pooping won’t affect your weight in any huge way—even if it does feel like you just dropped 10 pounds. That amazing feeling is more about de-bloating than actual loss of body mass.