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  2. Stress (biology) - Wikipedia

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

    Physiological stress represents a wide range of physical responses that occur as a direct effect of a stressor causing an upset in the homeostasis of the body. Upon immediate disruption of either psychological or physical equilibrium the body responds by stimulating the nervous, endocrine, and immune systems. The reaction of these systems ...

  3. Acute stress reaction - Wikipedia

    en.wikipedia.org/wiki/Acute_stress_reaction

    The sympathetic branch of the autonomic nervous system gives rise to a specific set of physiological responses to physical or psychological stress. The body's response to stress is also termed a "fight or flight" response, and it is characterised by an increase in blood flow to the skeletal muscles, heart, and brain, a rise in heart rate and ...

  4. Stress-related disorders - Wikipedia

    en.wikipedia.org/wiki/Stress-related_disorders

    Stress is a conscious or unconscious psychological feeling or physical condition resulting from physical or mental 'positive or negative pressure' that overwhelms adaptive capacities. It is a psychological process initiated by events that threaten, harm or challenge an organism or that exceed available coping resources and it is characterized ...

  5. 11 physical signs your stress is out of control

    www.aol.com/article/2016/09/09/11-physical-signs...

    Stress is the most common cause of tension headaches, according to the Mayo Clinic. It can also trigger other types of headaches , like migraines , or make an existing headache worse. 3.

  6. Psychological stress - Wikipedia

    en.wikipedia.org/wiki/Psychological_stress

    Hans Selye defined stress as “the nonspecific (that is, common) result of any demand upon the body, be the effect mental or somatic.” [5] This includes the medical definition of stress as a physical demand and the colloquial definition of stress as a psychological demand. A stressor is inherently neutral meaning that the same stressor can ...

  7. Chronic stress - Wikipedia

    en.wikipedia.org/wiki/Chronic_stress

    Chronic stress is the physiological or psychological response induced by a long-term internal or external stressor. [1] The stressor, either physically present or recollected, will produce the same effect and trigger a chronic stress response. [ 1 ]

  8. Stressor - Wikipedia

    en.wikipedia.org/wiki/Stressor

    Stressors can cause physical, chemical and mental responses internally. Physical stressors produce mechanical stresses on skin, bones, ligaments, tendons, muscles and nerves that cause tissue deformation and (in extreme cases) tissue failure. Chemical stresses also produce biomechanical responses associated with metabolism and tissue repair ...

  9. Eustress - Wikipedia

    en.wikipedia.org/wiki/Eustress

    Eustress is the positive cognitive response to stress that is healthy, or gives one a feeling of fulfilment or other positive feelings. Hans Selye created the term as a subgroup of stress [ 3 ] to differentiate the wide variety of stressors and manifestations of stress.