What Is Protozoa? Protozoa are one of the three main classes of parasites that cause diseases in humans. They are single-celled organism‚ and can only be seen under a microscope. When they invade a human they are able to multiply easily‚ which causes them to be at a great advantage and puts humans at a disadvantage. This helps them survive in the human body and causes a serious infection even with the arrival of a single protozoon. Infections caused by protozoa are contagious. Those protozoa
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Alzheimer’s disease is a deterioration of the brain that happens in middle or old age. It is the most common cause of premature senility and dementia‚ which is a loss of cognitive functioning (thinking‚ remembering‚ and reasoning). Dr. Alois Alzheimer discovered the disease in 1906 as he was doing an autopsy on a woman’s brain in which he discovered abnormalities. Alzheimer’s causes the brain to shrink in size‚ which causes all of the cognitive issues. Scientists today still do not fully understand
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Parkinson’s disease was first founded by an English doctor‚ James Parkinson‚ in 1817. Parkinson’s disease is a disorder of the central nervous system that results from the lack or loss of cells in various parts of the brain‚ the main region is called the substantia nigra. The substantia nigra cells produce dopamine‚ a chemical messenger responsible for sending signals within the brain that allow for coordination of movement. The lack of dopamine causes neurons to fire irregularly and out of control
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Huntington’s disease Anna Richards 4th period 12/7/16 Page Break In 1872‚ the American physician George Huntington wrote about an illness that he called "an heirloom from generations away back in the dim past." One of its earliest names was chorea. Until recently‚ scientists understood very little about HD and could only watch as the disease continued to pass from generation to generation. Families saw the disease destroy their loved ones’ ability to feel‚ think‚ and
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Chronic Lyme Disease All three sources go very in-depth about Lyme disease and provide a wide range of information. This paper will look specifically at the condition referred to as Chronic Lyme Disease as well as others topics surrounding the disease. I have found that there are differing views regarding factors such as the severity‚ transferral‚ treatment‚ and many others. My sources include a well accredited documentary‚ published report by Dr. Scott Taylor‚ and a website for the Center for
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COM155-University of Phoenix COPD and Heart Disease Chronic Obstructive Pulmonary Disease (COPD) and heart disease are two of the deadliest chronic illnesses affecting the world’s population. These diseases have caused hundreds of thousands to lose their lives. With the death rate of heart disease and COPD rising‚ attention should be focused on these diseases and how we can prevent fatalities throughout the world. Educating the public about these diseases is vital in lowering the number of deaths
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As Lyme disease progresses‚ it affects different body areas in varying degrees. The bacteria enter the body from the area where tick has bitten on the skin. As the bacteria spread in the skin‚ the infection causes an expanding rash that comes with "flu-like" symptoms. Later‚ it results in problems like joint pain‚ heart problems‚ and weak nervous system. Lyme Disease Diagnosis And Testing If done properly and performed with validated methods‚ then laboratory blood tests can prove to be quite
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I. Graves’ disease is an immune system disorder that causes an overproduction of thyroid hormones called hyperthyroidism. Although there are many diseases that cause hyperthyroidism‚ Graves’ disease is the number one cause. It is named after Robert Graves‚ an Irish physician‚ described this form of hyperthyroidism about 150 years ago. Graves’ disease is caused by a process in the body’s immune system‚ that normally protects the body from bacteria and viruses. The immune system destroys the bacteria
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Intro Alzheimer’s Disease is one of the leading causes of premature dementia in today’s world. The emotional effects of this progressive brain deterioration disease can be detrimental to the individual with the disease‚ family members‚ friends‚ and society. This disease causes the individual to slowly lose their memory‚ and treatment for this condition does not specifically stop the destruction and damage that is being done to the neurons‚ it only subsides short term symptoms for durations of time
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Syphilis is a disease that dates back to early times. The actual location that it originated is still debated. The main hypothesis about the origin of syphilis are recorded around the time that Christopher Columbus made his voyage to the New World and is referred to as the “Colombian theory.” This theory describes the disease as being brought back to Europe when his crews were returning back from America in 1492. It was shortly after this time that the first epidemic of syphilis was recorded in Naples
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