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HIPPOCRATE ANCIENT GREEKS He based his medical practice on observations and on the take aim of the human body. He held the touch that illness had a physical and a rational explanation. He rejected the views of his time that considered illness to be caused by superstitions and by possession of evil spirits and disfavor of the gods. stressor An internal or external factor that makes demands on an individual and tends to disrupt homeostasis. Stressors imply physical trauma, disease, social events and situations, and the demands of exercise and competition. several(prenominal)(prenominal) agent that causes stress to an organism Physiologists define stress as how the body reacts to a stressor, steadfast or imagined, a stimulus that causes stress. Acute stressors affect an organism in the short term ; chronic stressors over the overnight term. Selye researched the effectuate of stress. Alarm is the first spot. When the threat or stressor is set or realized, the bodys stress response is a state of alarm. During this stage adrenaline leave be produced in order to add up about the fight- or-flight response. There is also some activation of the HPA axis, producing cortisol. safeguard is the second stage. If the stressor persists, it becomes necessary to attempt some essence of manage with the stress. Although the body begins to try to adapt to the strains or demands of the environment, the body cannot coincide this up indefinitely, so its resources are gradually depleted. Selye: eustress and distress Selye crea te in 1975 a model dividing stress! into eustress and distress.[3] Where stress enhances agency (physical or mental, such as through talent training...If you extremity to get a full essay, order it on our website: OrderCustomPaper.com

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