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Thursday, March 7, 2013

Outline and Evaluate the Relationship Between Stress and the Immune System

Stress is a subjective experience between a person and their environment caused by stressors, for mental testingple, exams and relationships. There are many studies that have pitch that stress could in reality affect the capability of the immune system. The immune system is a system of cells inwardly the body that defends the body from antigens. White blood cells, similarly cognize as leucocytes, are the cells made in the bone perfume that defend the body against infection and illness.
Most studies focusing on acute stressors have plunge a decrease in immune cell function while others have shown an increase, for example, Fischer (1972) found higher lymphocyte counts in Apollo astronauts during the splashdown, suggesting that acute stress could actually lead to an increase in immune system activity. Kiecolt-Glaser canvas further on acute stress and examination stress. In this conduct, blood samples were taken one month beforehand the exam where in that location was first base sress, and also during the exam period where there was high stress. The immune system functioning was assessed by bar the NK cell activity in the blood samples; if one has low NK cell activity, they are more susceptible to being ill. Participants were also asked to complete a questionnaire to see if they were experiencing any other face of stress.

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Kiecolt-Glaser found that NK cell activity was bring lowd in the bet on blood sample compared to the one taken one month before the exams, an implication of this finding is that short term stressors reduce immune system functioning, increasing vulnerability to illness. It was also found that students who reported the highest levels of loneliness had the lowest NK cell activity. Kiecolt-Glasers study on examination stress was supported by Marucha (1998) who looked at the rate in which wounds healed. Marucha inflicted a punch biopsy in the babble of students either during the summer holidays or three days before an exam and found that wounds given before the exam took 40% longer to heal than...If you want to get a full moon essay, order it on our website: Ordercustompaper.com



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