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Stress, whether physiological, biological or psychological, is an organism's response to a stressor such as an environmental condition. [1] When stressed by stimuli that alter an organism's environment, multiple systems respond across the body. [ 2 ]
A stressor is a chemical or biological agent, environmental condition, ... Physical stressors may produce pain and impair work performance. Chronic pain and ...
Although stress response pathways are mediated in different ways depending on the stressor involved, cell type, etc., a general characteristic of many pathways – especially ones where heat is the principal stressor – is that they are initiated by the presence and detection of denatured proteins. Because conditions such as high temperatures ...
A typical allostatic response has been initiated by a stressor and then continues for the duration of the stressor, in which it shuts off as the stressor has ended. Allostatic load is the accumulation of stressors and maladaptive responses that may result in an extreme state, where the stress response does not terminate.
Cell damage (also known as cell injury) is a variety of changes of stress that a cell suffers due to external as well as internal environmental changes. Amongst other causes, this can be due to physical, chemical, infectious, biological, nutritional or immunological factors. Cell damage can be reversible or irreversible.
Once the stressor is resolved, the body resumes to amounting an adequate immune and inflammatory response, which may explain why it is often seen that a person falls ill after acute stress. Due to the interconnected nature of the brain's regulation of stress, the immune system, and the endocrine system, allostasis may play a role in the ...
Living a minimal-stress life Chronic stress advances one’s biological (or epigenetic) ... Loneliness is a greater risk factor for early death than obesity and physical inactivity, ...
Hans Selye (1907–1982), known as the "father of stress", [10] is credited with first studying and identifying stress. He studied stress effects by subjecting lab mice to various physical, antigenic, and environmental stressors, including excessive exercise, starvation, and extreme temperatures.