deadly diseases infecting an unsuspecting population that had no immunity to such diseases. The Europeans were said to be thoroughly diseased by the time Columbus set sail on his first voyage (Cowley‚ 1991). Through the domestication of such animals as pigs‚ horses‚ sheep‚ and cattle‚ the Europeans exposed themselves to a vast array of pathogens which continued to be spread through wars‚ explorations‚ and city-building. Thus any European who crossed the Atlantic was immune to such diseases as measles
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Parkinson’s Disease Background: Parkinson’s disease is a chronic‚ progressive disorder that affects the motor system. It usually develops in men and women after the age of 50. Sometimes Parkinson’s Disease can be hereditary. Parkinson’s was known in ancient times‚ however it was not officially considered a recognized medical condition until 1817 when Doctor James Parkinson published an essay called essay was called "An Essay on the Shaking Palsy” that strongly encouraged people to study the
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Alzheimer’s disease Written by: Catherine Finney Alzheimer’s disease is a neurological disorder in which the death of brain cells causes memory loss and cognitive decline. A neurodegenerative type of dementia‚ the disease starts mild and gets progressively worse. Alzheimer’s is the most common form of dementia‚ a general term for memory loss and other intellectual abilities serious enough to interfere with daily life. Alzheimer’s disease accounts for 60 to 80 percent of dementia cases. Alzheimer’s
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Graves’ Disease Hyperthyroidism and Treatments 0 comments Graves’ disease is the leading cause of hyperthyroidism. Complications can include hypertension‚ cardiac arrhythmias and thyroid eye disease but treatments are available. Jim Lowrance Posted on Aug 7‚ 2009 Graves’ disease is an autoimmune condition affecting the thyroid gland that results in abnormally high levels of thyroid hormone to be released into the body causing hyperthyroidism. There is no cure for Graves’ but progression of
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Huntington’s Disease or Alzheimer’s Disease? As the body ages through time‚ many of the functions will slowly begin to diminish and deteriorate‚ including the nervous system. The nervous system is made up of your brain and the many different neurons that transmit signals to and from the body. One of the most common ways the nervous system deteriorates is when the connections between two neurons diminish‚ or build plaque. The brain uses neurons to send signals to each other‚ in order to get our
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Alzheimer’s Disease Alzheimer’s Disease is a progressive and irreversible brain disease that destroys mental and physical functioning in human beings‚ and invariably leads to death. It is the fourth leading cause of adult death in the United States. Alzheimer’s creates emotional and financial catastrophe for many American families every year‚ but fortunately‚ a large amount of progress is being made to combat Alzheimer’s disease every year. To fully be able to comprehend and combat Alzheimer’s
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Parkinson disease is a gradually progressive degenerative disorder of the central nervous system. Parkinson disease belongs to a group of conditions called movement disorders. There are four characteristic problems caused by Parkinson disease‚ including tremor at rest‚ balance problems‚ stiffness‚ and slowness of movement. Parkinson disease occurs when areas of the brain‚ including an area called the substantia nigra‚ is slowly destroyed. The exact reason for this destruction is not completely known
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The Arrow of Disease Many of the greatest tragedies throughout human history have been caused by lethal diseases such as smallpox‚ flu‚ tuberculosis‚ malaria‚ plague‚ measles‚ and cholera. They are all potentially infectious diseases that originated from viruses in animals. When Christopher Columbus and his successors invaded the Americas‚ the most potent‚ powerful‚ and deadly weapon they carried was their germs. In 1492‚ the European conquest of the Americas began with Columbus voyage. It was
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Crohns Disease What is it? * Crohns disease ‚ causes inflammation‚ swelling ‚ and irritation of any part of the digestive system Symptoms * Related to Inflammation * Persistent Diarrhea * Rectal bleeding * Abdominal cramps and pain * General symptoms that may also be * Fever * Loss of appetite * Weight Loss * Night sweats * Loss of normal menstrual cycle Causes of Crohns Disease * Crohn’s disease may affect as many as 700
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Lazaro Castillo 04/16/2012 Infectious Diseases One infectious disease I will be discussing is called Diphtheria. Diphtheria is a highly contagious bacterial infection‚ which mainly affects the nose‚ throat and occasionally the skin‚ but in more serious cases‚ it can attack the heart and nerves. Diphtheria is caused by a bacterium known as C. diphtheiae. The bacteria produce a toxin (poison) that is carried in the bloodstream and causes tissue damage in the area of infection‚ usually the nose
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