This website uses cookies to ensure you have the best experience. Learn more

Stress And Immune System Essay

339 words - 2 pages

Stress and the immune system
It is suggested that stress can result in immunosuppression which can lead to stress-related illnesses such as Coronary Heart Disease and high blood pressure.
Kiecolt and Glaser conducted an experiment to see the effects of stress on the immune system. This was achieved by taking blood samples of 75 medical students one month before and during their examination period. They then compared the two blood samples and found decreased leucocyte activity in the sample taken during high levels of ...view middle of the document...

The experiment was a field experiment so there was no manipulating of the independant variable to deliberately cause stress to the participants which makes it ethical. It also means the research has ecological validity and can be applied to the wider world. However, a field experiment may have extraneous variables which impact the results. For example, the student lifestyle of having little sleep and poor accomidation may have been an alternative source of stress. Another disadvantage is that there was a biased sample used of students. It may not be possible to generalise students’ response to stress compared to the general population.
Riley also did a study using rats on a rotating turntable for five hours. He found that over time, their white blood cell activity dramatically decreased and when injected with carcinogens they developed tumours more rapidly than a control group of rats. This showed that stress can make us reduce our immune system’s activity which can cause diseases to worsen or progress more rapidly. However, as the research was conducted on rats it can be argued that it can’t be applied to humans as out stress response may differ.

Other Papers Like Stress And Immune System

This is all about the immune system, how it works, and what it does

519 words - 3 pages The function of the immune system is to defend the body against foreign invaders that may cause disease. The immune system is made up of cells, tissues, organs, and body systems that fight bacteria, viruses, harmful chemicals, and cancer cells. The skin functions as a defense against disease because of the millions of helpful bacteria that live on your skin. This is your first line of defense by killing many harmful types of bacteria. When there

Effects Of The Stress Essay

744 words - 3 pages level of physiological arousal, as well as creating more stress for themselves, which cause them to put themselves under lots of pressure. So, the frequent up and down in heart rate and blood pressure produces wear and tear in the cardiovascular system. (Irabarren el al., 2000) 2.2. STRESS and IMMUNE FUCTIONING It is always suggested that stress and different forms of sicknesses are linked to each other. By the experiment of the effect of stress

Science

284 words - 2 pages productivity skills, doing physical actives like soccer or just running around your neighborhood. Exercise can reduce the negative impact of stress, as can relaxation training. People with strong social support systems enjoy better health. Some evidence suggests that social support may directly affect immune system functioning. Some other ways of minimizing stress are Proactive coping which is anticipating stressful events and taking advance steps to avoid

Cancer and Hiv Paper

1716 words - 7 pages instance, patients with high stress levels might take up smoking or drinking alcohol, which can lead to a person developing cancer (Artherholt & Fann, 2012). The immune surveillance model of cancer focuses on the ability of the immune system to identify and destroy abnormal cells, thereby functioning as a primary defense against cancer (Swann & Smyth, 2007). In the study of psychoneuroimmunology, psychosocial risk factors are their

Stress And Coping

485 words - 2 pages emotional states that we experience as a result of changes and challenges in our lives. 1. Can be positive or negative B. Stressor are the things that cause us stress Transition: What are the effects of stress on the body? II. What are some of the affects that stress has on your health? A. Excessive amounts of stress hormones have negative effects on your immune system. 1. A weak immune system can lead to worsening of

Stress Kills

1107 words - 5 pages effect these children’s health”. Pollak and a colleague, Chris Coe, a Wisconsin psychology professor focused on the immune system as the main cause of early childhood stress and its effects it has on children (Campus). They say that when the immune system is not present at birth but just its cells are, the system becomes of the first things influenced by early environments, and shapes how high their stress levels may become. In a group of

Stress Symtoms

638 words - 3 pages and one of the most dangerous, most unnoticeable is losing control to addicted behaviors. (Elizabeth Scott, M.S., 2009) Exhaustion, is a combination of physical and emotional exhaustion with the lack of rest, stress exhaustion can be highly debilitating. Stress exhaustion may cause people to feel overwhelmed or frustration by their surroundings, in some cases the feeling of helplessness also occurs. Exhaustion also has an affects on the immune

Effects of Stress to the Human Body

660 words - 3 pages immune system by becoming more vulnerable to illnesses, from colds and minor infections to major diseases. If you are already ill stress makes it worse. Stress can also be responsible for high blood pressure, abnormal heartbeat (arrhythmia), problems with blood clotting, and hardening of the arteries (atherosclerosis). It is also linked to coronary artery disease, heart attack, and heart failure. individuals who are stressed often have neck

Chronic Illness Evaluation

780 words - 4 pages live with the disease. It takes a cocktail of medication, and a healthy lifestyle to live with aids. Exercise can have a major positive effect on the immune system for several reasons. First, exercising can release stress. People who experience high stress get more colds, suffer more digestive tract problems and have more frequent bouts of fatigue ("Boost Your Immune System With Exercise", n.d.). When an individual can include exercise in their

Research That Has Suggested a Link Between Stress and Ill Health

2087 words - 9 pages establish a definite cause and effect relationship between stress and specific physical symptoms or illnesses. Not only do people's minds and bodies react differently to stress, but there also are other factors at work when someone falls ill. Most researchers have found the more a person suffers from stress the weaker his or hers immune system becomes. In trying to understand why stress can be bad for the body is to look at it from an evolutionary

Physiological Impacts of Stress

1816 words - 8 pages & Marin, 2008) An equally significant health risk caused by chronic stress and elevated levels of cortisol is the physiological changes that occur in immune functions. In times of acute stress, cortisol undoubtedly plays an important role in supressing immune and inflammatory responses, however, when stress is severe and chronic, this can induce a state of hyper-cortisolism, which subsequently overwhelms the immune system and inhibits

Related Essays

Stress And The Immune System Essay

609 words - 3 pages ‘Outline and evaluate a piece of research that shows a relationship between stress and the immune system’ The immune system is a collection of billions of cells that travel through the bloodstream.  They move in and out of tissues and organs, defending the body against foreign bodies (antigens), such as bacteria, viruses and cancerous cells. There are two types of lymphocytes within the immune system, these are; B cells- produce antibodies

Outline & Evaluate Research Into The Relationship Between The Immune System And Stress Related Illness

642 words - 3 pages Outline & evaluate research into the relationship between the immune system and stress-related illness (12) AO1 - COHEN ET AL investigated the role of general life stress on vulnerability to the common cold virus. 394 participants completed questionnaires on the number of stressful life events experience in the previous year. They also rated their degree of stress and level of negative emotions such as depression. The 3 scores were

Outline And Evaluate Research Into The Effects On Stress In The Immune System

722 words - 3 pages Outline and Evaluate research into the effects on Stress in the Immune System (12 marks) Stress is an environmental event or situation (a stressor), which can induce a stress response in us. When someone is experiencing a stressful situation, all the body's resources are diverted and this suppresses the immune system because of the high levels of stress hormones, corticosteroids, which shrink the thymus glands preventing the growth of T

Discuss The Effect That Stress Has On The Immune System (12 Marks).Docx Uploaded Successfully

546 words - 3 pages establish the students’ psychiatric mind set and their life events. They found that the natural killer cell activity decreased in the second blood sample, compared with the first. Furthermore, immune response was particularly low for those who scored highly in the loneliness, psychiatric symptoms and stressful life events symptoms. They concluded that stress is associated with reduced immune system function. Another piece of research was conducted