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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, which posits that your body will fight to maintain the same weight through metabolic adaptations. These adaptations ...
Set-point theory is the idea that your body has a set weight range it wants to stay within. If you try to lose weight, your body may make changes to fight weight loss to stay near its set weight.
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.
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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Sellayah and colleagues have postulated an 'Out of Africa' theory to explain the evolutionary origins of obesity. The theory cites diverse ethnic based differences in obesity susceptibility in western civilizations to contend that, neither the thrifty or drifty gene hypotheses can explain the demographics of the modern obesity crisis.
The report’s findings suggest that BMI — the measurement traditionally used by medical professionals to determine healthy weight ranges — does not provide a nuanced enough assessment of ...