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  2. Stressor - Wikipedia

    en.wikipedia.org/wiki/Stressor

    A stressor is a chemical or biological agent, environmental condition, external stimulus or an event seen as causing stress to an organism. [1] Psychologically speaking, a stressor can be events or environments that individuals might consider demanding, challenging, and/or threatening individual safety.

  3. Acute stress reaction - Wikipedia

    en.wikipedia.org/wiki/Acute_stress_reaction

    Acute stress reaction (ASR), also known as psychological shock, mental shock, or simply shock, [a] and acute stress disorder (ASD), is a psychological response to a terrifying, traumatic, or surprising experience. Combat stress reaction (CSR) is a similar response to the trauma of war. The reactions may include but are not limited to intrusive ...

  4. Stress (biology) - Wikipedia

    en.wikipedia.org/wiki/Stress_(biology)

    PTSD was considered a severe and ongoing emotional reaction to an extreme psychological trauma, and as such often associated with soldiers, police officers, and other emergency personnel. The stressor may involve threat to life (or viewing the actual death of someone else), serious physical injury, or threat to physical or psychological integrity.

  5. Fight-or-flight response - Wikipedia

    en.wikipedia.org/wiki/Fight-or-flight_response

    The fight-or-flight or the fight-flight-freeze-or-fawn [1] (also called hyperarousal or the acute stress response) is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. [2] It was first described by Walter Bradford Cannon in 1915.

  6. The Surprising Health Benefits of Pain - AOL

    www.aol.com/surprising-health-benefits-pain...

    Though these painful stressors are promising, more studies are needed. Even less is known about other potentially beneficial stressors, like holding your breath for an extended time (like a diver ...

  7. Psychological stress - Wikipedia

    en.wikipedia.org/wiki/Psychological_stress

    In psychology, stress is a feeling of emotional strain and pressure. [1] Stress is a form of psychological and mental discomfort. Small amounts of stress may be beneficial, as it can improve athletic performance, motivation and reaction to the environment.

  8. Cellular stress response - Wikipedia

    en.wikipedia.org/wiki/Cellular_stress_response

    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 ...

  9. Chronic stress - Wikipedia

    en.wikipedia.org/wiki/Chronic_stress

    The stressor, either physically present or recollected, will produce the same effect and trigger a chronic stress response. [1] There is a wide range of chronic stressors, but most entail relatively prolonged problems, conflicts and threats that people encounter on a daily basis. [ 2 ]