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Stress is a conscious or unconscious psychological feeling or physical situation which comes as a result of physical or/and mental 'positive or negative pressure' to overwhelm adaptive capacities. Stress is a psychological process initiated by events that threaten, harm or challenge an organism or that exceed available coping recourses and it is characterized by psychological responses that are directed towards adaptation. Stress is wear and tear on the body in response to stressful agents. Hans Selye called such agents stressors and said they could be physical, physiological, psychological or sociocultural. And stress is not an anxiety disorder and it is not a normative concept. A person typically is stressed when positive or negative (e.g., threatening) experiences temporarily strain or overwhelm adaptive capacities. Stress is highly individualized and depends on variables such as the novelty, rate, intensity, duration, or personal interpretation of the input, and genetic or experiential factors. Both acute and chronic stress can intensify morbidity from anxiety disorders. One person's fun may be another person's stressor. For an example, panic attacks are more frequent when the predisposed person is exposed to stressors. == Stress reduction strategies == Stress-reduction strategies can be helpful to many stressed/anxious person. However, many anxious persons cannot concentrate enough to use such strategies effectively for acute relief. (Most stress-reduction techniques have their greatest utility as elements of a prevention plan that attempts to raise one's threshold to anxiety-provoking experiences.) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Stress-related disorders」の詳細全文を読む スポンサード リンク
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