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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I learned to never be quick to judge a person when you never know what a person is going through! Gaucher disease is a receivable inherited lysosomal storage disease. This characterization makes tone by bruising of bones because they are weak and derive of pain. The sickness that deliberates fatigue‚ anemia that undergoes pain‚ low blood platelet count that will be harder flowing‚ and growth of the liver and spleen. These visceral and neurologic symptoms are causing disruption of the lysosomes because
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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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Heartworm disease was first recognized in dogs more than 100 years ago and is still prevalent among dogs and found in cats worldwide. Nature’s pest‚ the mosquito‚ is the cause of Dirofilaria immitis. At least 70 species of mosquitoes can serve as intermediate hosts‚ of which the most common vectors are Aedes‚ Anopheles‚ and Culex (Woodhaven Labs). When taking a blood meal from microfilaremic host --like wolves‚ coyotes‚ foxes or dogs-- the adult female mosquito becomes infected with the microfilariae
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Scenario N.J. is a 70-year-old man with a 4-year history of Parkinson’s disease (PD). He is a retired engineer‚ is married‚ and lives with his wife in a small farming community. He has three adult children who live close by. Since his last visit to the clinic 6 months ago‚ N.J. reports that his tremors are “about the same” as they were; however‚ further questioning reveals that he feels his gait is perhaps a little more unsteady‚ and his fatigue is slightly more noticeable. N.J. is also concerned
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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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Again‚ Chagas is a disease that is transmitted through humans by an insect vector specifically a triatomine bug known as Trypansosoma Cruzi. Consequently‚ Chagas currently affects about 8 million people worldwide and is considered a life-threatening disease. In Argentina‚ it affects 3 million residents alone and is considered the number one cause of cardiac diseases in the country. According to the World Health Organization‚ about 40 percent of patients infected with Chagas will develop chronic cardiac
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this infectious disease? For example‚ the name of the bacteria‚ virus‚ or parasite. Hepatitis A is a contagious liver disease that comes from the Hepatitis A virus (HAV). There isn’t a treatment for the disease once you get it. How is this infectious agent transmitted through food or water? Hepatitis A is contracted from eating food and drinking water contaminated with human feces. Eating raw and undercooked fish that was in contaminated waters contribute to the disease. Sometimes eating
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Diseases that affect humans are many times categorized into either a male disease or a female disease. In other words‚ the public views the disease as being usually carried by males or by females. Anorexia and bulimia are almost always classified as a disease that affects mostly females. These diseases may also be classified into different categories depending on what their cause is thought to be. Maggie Helwig‚ author of the short story "Hunger‚" believes that "anorexia and bulimia are particularly
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invasive meningococcal disease Rabab Z Jafri1‚ Asad Ali1*‚ Nancy E Messonnier2‚ Carol Tevi-Benissan3‚ David Durrheim4‚5‚ Juhani Eskola6‚ Florence Fermon7‚ Keith P Klugman8‚9‚ Mary Ramsay10‚ Samba Sow11‚12‚ Shao Zhujun13‚ Zulfiqar A Bhutta1 and Jon Abramson14 Abstract Neisseria meningitidis is one of the leading causes of bacterial meningitis globally and can also cause sepsis‚ pneumonia‚ and other manifestations. In countries with high endemic rates‚ the disease burden places an immense
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