What is ‘disease’? Definition The term disease is the condition of the living‚ which leads to a disorder of the mind or body‚ which therefore destroys good health. (S-Cool A-Level). Biology online states that disease is a ‘pathologic condition in which the normal functioning of an organism or body is impaired or disrupted‚ resulting in extreme pain‚ dysfunction‚ distress or death.’ (Biology Online) Disease throughout History Over the years‚ there has ‘been a gradual decline in mortality from all
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Chronic Diseases: Heart Disease Heart disease is the most frequent condition affecting the heart‚ known as coronary artery disease. Over time‚ a buildup of cholesterol creates a substance of plaque on the inside of the coronary arteries blocking the blood flow to the heart causing it to damage the heart muscle. When a heart attack occurs‚ it creates permanent damage killing a portion of the heart. If the heart cannot effectively pump blood to the body‚ it will reduce the flow‚ and begin beating
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Human Disease Several scientific terms are relatively easy to define‚ others tend to be more difficult; “health” and “disease” fall under the latter category. Many suggest that “disease” is merely a disorder of a system’s normal functions while “health” is the absence of disease. On the other hand‚ could a person whose bodily systems are functioning properly but who is unhappy or depressed be considered healthy? Can an alcoholic or drug-addict whose habit has not as yet caused any physical harm
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Eric Zhong D17C 10/14/11 Infectious Disease (Extra credit paper) Infectious Disease - A disease caused by a microorganism or other agent‚ such as a bacterium‚ fungus‚ or virus‚ which enters the body of an organism. Chickenpox (Varicella Zoster infection) The cause of chickenpox is caused by a virus called Varicella Zoster. Varicella Zoster is one of 8 herpes viruses knows to infect people it’s common for kids but more dangerous for adults. It is known to spread mostly to kids at the
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Common Childhood Diseases 1.1 Introduction Children are more prone to diseases. They catch disease easily and recover fast too. You must learn to protect your children from diseases and also from many other problems which can be prevented‚ if you care a little. In this lesson‚ you will learn about some diseases which are more likely to affect a child in the first few years of life. 1.2 Objectives explain the importance of immunisation for children; give the immunisation schedule for
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As the vast spread of disease worldwide has posed a great seriousness to our lives as well as to our children’s life in today’s age of information and technology. As we know children are more prone to disease. This is in light of the fact that the inbuilt immune system of children is low. Therefore‚ they easily get infected. It is clear that with Science of Medicine and Pharmacy rapidly developed‚ parents do not concern as much as before about common childhood disease for their children. They can
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DISEASE PREVENTION AND CONTROL DISEASE A disease is an abnormal condition that affects the body of an organism. It is often construed as a medical condition associated with specific symptoms and signs. It may be caused by factors originally from an external source‚ such as infectious disease. “Disease" is often used more broadly to refer to any condition that causes pain‚ dysfunction‚ distress‚ soci al problems‚ or death to the person afflicted‚ or similar problems for those in contact
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Eye Problems and Diseases Eye condition Acanthamoeba eye infections in contact lens wearers are rare but serious‚ and they often start because of improper lens handling and poor hygiene. Amblyopia also known as lazy eye‚ affects just two to three percent of the population. But‚ if left uncorrected‚ this vision problem can have a very big impact on those affected. Central vision fails to develop properly‚ usually in one eye‚ which is called amblyopic. A related condition‚ strabismus‚ sometimes
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Kawasaki disease is a rare disease of childhood. It is the leading cause of acquired heart disease in children. Kawasaki disease causes swelling and inflammation of the walls of the blood vessels. It also affects the mucous membranes‚ lymph nodes‚ and the heart. The heart problems are the most worrisome part of the disease. The inflammation of blood vessels in the arteries of the heart (coronary arteries) can lead to aneurysms. An aneurysm is a weak area in the blood vessel that balloons out. Such
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Defence against Disease and the Immune System In this essay I have distinguished clearly between active/ passive‚ natural/artificial immunity and described some methods of vaccine production. I have critically compared the effectiveness of the smallpox vaccination programme with programmes aimed at control of measles‚ polio‚ influenza‚ malaria and cholera. Introduction (Immune System‚ 2012) “The immune system is made up of a network of cells‚ tissues‚ and organs that work together
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