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Set point theory does not on its own explain why body mass index for humans, measured as a proxy for fat, tends to change with increasing age or why obesity levels in a population vary depending on socioeconomic or environmental factors (or why weight tends to change for an individual when socioeconomic status and environment change).
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 ...
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]
Diagram of the medical complications of obesity, from the US CDC. Proponents claim that evidence from certain scientific studies has provided some rationale for a shift in focus in health management from weight loss to a weight-neutral approach in individuals who have a high risk of type 2 diabetes and/or symptoms of cardiovascular disease, and that a weight-inclusive approach focusing on ...
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Obesity is a complex public health and policy problem because of its prevalence, costs, and health effects. [95] As such, managing it requires changes in the wider societal context and effort by communities, local authorities, and governments. [ 96 ]
The exercise paradox, [1] also known as the workout paradox, [2] refers to the finding that physical activity, while essential for maintaining overall health, does not necessarily lead to significant weight loss or increased calorie expenditure. [3]
The obesity paradox is the finding in some studies of a lower mortality rate for overweight or obese people within certain subpopulations. [ 1 ] [ 2 ] [ 3 ] The paradox has been observed in people with cardiovascular disease and cancer.