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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.
Recent advances in psychological, medical, and physiological research have led to a new way of thinking about health and illness. This conceptualization, which has been labeled the biopsychosocial model, views health and illness as the product of a combination of factors including biological characteristics (e.g., genetic predisposition), behavioral factors (e.g., lifestyle, stress, health ...
Stress produces numerous physical and mental symptoms which vary according to each individual's situational factors. These can include a decline in physical health, such as headaches, chest pain, fatigue, sleep problems, [1] and depression. The process of stress management is a key factor that can lead to a happy and successful life in modern ...
However, the World Health Organization's ICD-11 excludes OCD but categorizes PTSD, Complex Post-Traumatic Stress Disorder (CPTSD), adjustment disorder as stress-related disorders. [ 2 ] Stress is a conscious or unconscious psychological feeling or physical condition resulting from physical or mental 'positive or negative pressure' that ...
The system is arguably a protective defense against threats [5] and usually does not pose a health risk. [7] However, the problem arises when there is a persistent threat. First-time exposure to a stressor will trigger an acute stress response in the body; however, repeated and continuous exposure causes the stressor to become chronic. [4]
Schematic overview of the classes of stresses in plants Neurohormonal response to stress. 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]