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Starvation response in animals (including humans) is a set of adaptive biochemical and physiological changes, triggered by lack of food or extreme weight loss, in which the body seeks to conserve energy by reducing metabolic rate and/or non-resting energy expenditure to prolong survival and preserve body fat and lean mass.
Stress may also increase reward associated with food, leading to weight gain and further changes in eating habits. [58] Stress may contribute to various disorders, such as fibromyalgia , [ 59 ] chronic fatigue syndrome , [ 60 ] depression , [ 61 ] as well as other mental illnesses [ 13 ] and functional somatic syndromes .
Chronic stress can also contribute to the buildup of abdominal fat associated with obesity and metabolic syndrome — conditions that increase the risk of stroke, type 2 diabetes and heart disease.
The researchers said they discovered that individuals with larger fat cells tend to lose weight over time while people with smaller fat cells are more likely to gain weight.
Cellular stress response is the wide range of molecular changes that cells undergo in response to environmental stressors, including extremes of temperature, exposure to toxins, and mechanical damage. Cellular stress responses can also be caused by some viral infections. [1]
Chronic stress and high cortisol can affect fat storage and contribute to the buildup of abdominal fat associated with obesity and metabolic syndrome — conditions that increase the risk of ...