Mallory Molony PSYC 460- Extra Credit Dr. Coleman April 3‚ 2013 The effects of daily stress over a period of one year has precise effects on one’s physiological responses‚ especially regarding one’s nervous‚ endocrine‚ and immune system. The nervous system acts as a “flight or fight” response in the presence of stress. The body will either subconsciously flee from the stressful situation or stay and put up a front and try to manage the stress. These responses are quick and are known as emergency
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1) What is the significance of infection with MTB? The significance of infection with MTB is that MTB attacks antigen-presenting cells‚ resulting in decreased MHC II antigen presentation. In order to find out whether MHC II is expressed on antigen-presenting cells‚ mice were infected with GFP(-) cells that were expressing BCG through aerosol infection. 2) From the introduction of the paper‚ how does MTB evade the immune system? MTB evades the immune system by invading macrophages. These
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Alcohol consumption should be banned A dizzying array of research suggests alcohol can have both good and bad effects‚ but making sense of such studies all comes down to preaching about the evil effects of alcohol and the substantial impact on our health. Alcohol is more than just an ordinary beverage. Alcohol’s consequences weigh more than any of its positives. This debate points out few of the reasons as to why alcohol should be banned. Firstly‚ alcohol should be illegal because it is just
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There has been extensive research into the link between stress and the immune system that shows that the link is indeed very strong with a positive correlation. The research is seen in the general adaptation syndrome‚ Stone’s experiment on stressful events and the links to symptoms‚ Cohen et al experiment on the common cold‚ and Keicolt Glaser who looked into immune function. Stress has been found to suppress the immune system allowing people to contract disease far faster than a person with less
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The human body has eleven main body systems. They are groups of bodily organs coming together to keep the human body going; they can perform one or more functions. The eleven body systems consist of the skeletal system‚ muscular system‚ nervous system‚ circulatory system‚ immune system‚ endocrine system‚ digestive system‚ excretory system‚ respiratory system‚ integumentary system‚ and the reproductive system. The skeletal system is the foundation to the body containing 206 bones and movable and
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What is a CD4 cell or T-cell? CD4 cells or T-cells are the “generals” of the human immune system. These are the cells that send signals to activate your body’s immune response when they detect “intruders‚” like viruses or bacteria. Because of the important role these cells play in how your body fights off infections‚ it’s important to keep their numbers up in the normal ranges. This helps to prevent HIV-related complications and opportunistic infections. For more information‚ see the National Cancer
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Introduction This report is written upon the instructions given by supervisor Mr. Tim Burch to select a brand of propolis capsules for special promotion in the winter for the company. The objective of this report is to find out the popularity of propolis on market‚ analyse the basic functions of propolis and evaluate the defense system and reputation of Comvita Propolis Capsules‚ the best seller on market. Methodology Two websites about the popularity of propolis were researched. In addition
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What is Ulcerative Colitis? Ulcerative Colitis is referred to the gastro intestinal tract infection that occurs on the inner wall of the colon in the large intestine. Due to the fact that colon is where the stool is stored before defecation it is pretty common to notice severe cramps‚ abdominal pain‚ diarrhea and rectal bleeding. What causes Ulcerative Colitis? The causes for Ulcerative Colitis are still a very much of a mystery even in the Twenty First Century. Although it is certain that it
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Outline and Evaluate research into the relationship between the immunes system and stress-related illness. Stress has been widely identified to be linked with illness‚ which has therefore attracted researchers to investigate the relationship between the immune system and stress. Cohen et al for instance conducted a study where 369 participants were asked to complete a questionnaire which measured their Psychological Stress Index‚ consisting of a scale measuring their own perception of their stress
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· S.A.M (Sympathetic Adreno-medullary Pathway) This is the acute (immediate) response to stress (it uses electrical signals). Higher brain areas (Cortex) detect and perceive something as a stressor‚ triggering the Hypothalamus‚ which in turn activates the Sympathetic branch of the Autonomic nervous system‚ stimulating the Adrenal Medulla‚ producing two hormones‚ Adrenaline and Noradrenaline‚ which cause the Fight or Flight response‚ which causes bodily changes and has evolved for survival
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