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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.
Researchers suggest a few reasons for this: One is the "set point" theory, ... At the same time, your metabolism naturally slows down with age. This dip kicks in later than you think—one study ...
Set-Point Weight. Set-point theory is the idea that your body has a set weight range it wants to ... a slowing metabolism, and set-point weight — it can feel like your body is conspiring against ...
The set point assumption is a negative feedback mechanism. [23] Two popular set point theories include the glucostatic set point theory and the lipostatic set point theory. The set point theories of hunger and eating present a number of weaknesses. [24] The current epidemic of obesity and eating disorders undermines these theories. [25]
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Two distinct but related processes are considered to be involved in the development of obesity: sustained positive energy balance (energy intake exceeding energy expenditure) and the resetting of the body weight "set point" at an increased value. [106] The second process explains why finding effective obesity treatments has been difficult.
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.
The neuroendocrine system is the mechanism by which the hypothalamus maintains homeostasis, regulating metabolism, reproduction, eating and drinking behaviour, energy utilization, osmolarity and blood pressure. The regulation of metabolism, is carried out by hypothalamic interconnections to other glands. [76]