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Free research papers and essays on topics related to: human disease

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  • Human Disease And Their Control Follow Up Questions 1a When People Refer To Pathogens, They Are Talking About Bacteria That C - 1,108 words
    Human Disease and Their Control follow up questions 1a) When people refer to pathogens, they are talking about bacteria that cause disease. 1b)The toxins actually excreted by the pathogens are the main cause of diseases although thetoxins are only by-products of the pathogen's metabolism. 2a)In most cases, the toxins excreted by the pathogens find there way into the circulatory system. Thus, sometimes, the infection is caused somewhere else from where the toxins were excreted. An example of this would be Rheumatic fever. The toxins that ca Yet another example of where the disease is in a different location then where the toxin was released is Dipheria. The pathogen that causes Diptheria is u ...
    Related: bacteria, human body, human disease, refer, blood cells
  • Human Disease Research - 2,297 words
    Human Disease Research Human Disease IINTRODUCTION Human Disease, in medicine, any harmful change that interferes with the normal appearance, structure, or function of the body or any of its parts. Since time immemorial, disease has played a role in the history of societies. It has affected-and been affected by-economic conditions, wars, and natural disasters. Indeed, the impact of disease can be far greater than better-known calamities. An epidemic of influenza that swept the globe in 1918 killed between 20 million and 40 million people. Within a few months, more than 500,000 Americans died-more than were killed during World War I (1914-1918), World War II (1939-1945), the Korean War (1950- ...
    Related: alzheimer's disease, disease research, heart disease, human disease, huntington's disease, infectious disease, liver disease
  • Human Disease Research - 2,361 words
    ... ical retardation. Abnormal development of any body part in a fetus may produce a congenital defect; for example, if walls that separate the chambers of the heart fail to form completely, the baby is born with congenital heart disease. BImmunological Diseases Immunological diseases occur when the immune system, which normally protects against infections, malfunctions. The most common types of immunological diseases are allergies, autoimmune diseases, and immune deficiencies. An allergy is an abnormal reaction of the immune system to foreign substances, such as plant pollen, fungal spores, animal danders, medications, and foods. Rhus dermatitis is an allergy caused by contact with urushiol ...
    Related: cardiovascular disease, disease research, heart disease, human body, human disease, human history, human population
  • Aids In Detail - 2,125 words
    ... ne anonymous partner per year. Homosexual men have higher rates of sexually transmits diseases than heterosexual men and women because gay men tend to have larger numbers of different sexual partners, more often engage in furtive (anonymous) sexual activities, and more frequently have anal intercourse. PUZZLING SYMPTOMS Any theory of the new disease also had to account for a puzzling factor: the variety of symptoms seen in AIDS patients before they entered the final phase of complete susceptibility to opportunistic infections and cancers. Interviews with AIDS patients revealed many had been very sick for up to a year before they developed their first case of Pneumocystis pneumonia or sho ...
    Related: aids, life expectancy, men and women, hepatitis a, discovery
  • Bioinvasion: The Economys Nemesis - 914 words
    Bioinvasion: The Economy's Nemesis BioInvasion: The Economy's Nemesis In today's world of war, terrorism, and economic instability, the United States has been strong and has held the world together, but BioInvasion is fast becoming a dangerous threat to our economic well being. In 1997 African ticks carrying heartwater disease; a fatal animal disease from South Africa, were found on a leopard tortoise that a reptile dealer in Florida had just purchased. Upon investigating his facility scientist found an infestation of these disease-ridden ticks. If they had not caught these they could have caused an epedemic. These exported disease, which our domesticated animals have no immunity to, could e ...
    Related: nemesis, national intelligence, armed forces, human disease, fourteen
  • Cloning Benefits - 1,742 words
    Cloning Benefits Cloning Benefits What if while walking down the street you encountered someone who looked exactly like you? Would you stare in amazement or would your heart be filled with fear? At first some people may look upon the idea of cloning with disgust and question themselves if humans should play God while others would be interested and study the many possibilities that cloning offers. This illustrates the path that cloning has taken over the latter part of the twentieth century. At first, when cloning was brought up in conversations, people tended to fearfully think of an army of identical persons marching across the earth in hopes of ruling humans. This and many other absurd not ...
    Related: cloning, human cloning, vitro fertilization, growth hormone, fertilization
  • Cryptococcus Neoformans - 1,879 words
    Cryptococcus Neoformans BackgroundThe organism C neoformans is an encapsulated yeast; its environmental niche has not been completely defined, although outbreaks of disease have been associated in particular with pigeon roosts and other large contaminated sites. There are two varieties of C neoformans, distinguished by antigenic differences in the outer capsule of the organism: serotypes A and D (C neoformans var neoformans, the most common strain) and serotypes B and C (C neoformans var gatti). Cryptococcus neoformans var neoformans is the principal pathogen in patients with AIDS. Cryptococcus neoformans var gatti, which is found predominantly in Australia, Asia, and Southern California, ha ...
    Related: nervous system, sub-saharan africa, immunodeficiency syndrome, implicated, organ
  • Ebola Virus - 1,094 words
    Ebola Virus Ebola virus, a member of the Filoviridae, burst from obscurity with spectacular outbreaks of severe, haemorrhagic fever. It was first associated with an outbreak of 318 cases and a case-fatality rate of 90% in Zaire and caused 150 deaths among 250 cases in Sudan. Smaller outbreaks continue to appear periodically, particularly in East, Central and southern Africa. In 1989, a haemorrhagic disease was recognized among cynomolgus macaques imported into the United States from the Philippines. Strains of Ebola virus were isolated from these monkeys. Serologic studies in the Philippines and elsewhere in Southeast Asia indicated that Ebola virus is a prevalent cause of infection among ma ...
    Related: ebola, ebola virus, virus, limited resources, life cycle
  • Geneticist Construction - 1,091 words
    ... the control and initiative of the team leader, and tend to be tightly coupled to the heath-care responsibilities of the group. In addition to carrying out research, the M.D. team members may also spend considerable time on medical care and clinical services. (12) As exciting as the field is, only those who truly dedicated should chose to become a geneticist. Geneticists often work long hours, researching their project. However, the working conditions are often laid back and casual due to their involvement with chemicals. The environment is usually comfortable and relaxing for best performance from the researchers and scientists. (Sailes) Pasteur, a world-renowned French chemist and biol ...
    Related: construction, side effects, harcourt brace, team leader, species
  • How The Government May Have Created Aids - 4,360 words
    ... . Although decades have passed and untold billions have been spent in research, CANCER is still with us, the second major cause of death in America. The most dreaded fear that all oncologists (cancer doctors), virologists and immunologists live with is that some day CANCER in one form or another will become a contagious disease, transferable from one person to another. AIDS has now made that fear a reality and if you think you're safe because you're not gay or promiscuous, or because you're not sexually active, then you had better watch this videotape very carefully and then watch it again and again if necessary, until you fully understand what Dr. Strecker is telling you as he takes you ...
    Related: aids, world health, state legislature, molecular biology, agency
  • Leukemia - 1,184 words
    ... take anticancer drugs for treatment of diseases may have a chance of getting leukemia because the patients received cancer chemotherapy over a long period of time: "Up to 10 percent of patients with Hodgkin's disease who have been intensively treated with chemotherapeutic drugs may ultimately display signs of an acute granulocytic leukemia" (356). There is antileukemia therapy for Hodgkin's disease. They are far more effective and outweigh the chance of developing leukemia later on. According to The Cambridge World History of Human Disease, the early symptoms of leukemia are like many other medical problems. Fever, loss of weight and fatigue are the general symptoms of leukemia: Fever m ...
    Related: leukemia, different types, more effective, human disease, physician
  • Malaria Research Paper - 1,665 words
    Malaria - Research Paper Research Paper- Malaria Malaria is a disease caused by a parasite that lives both in mosquitoes and humans (9). Malaria lives in tropical and sub-tropical areas such as Southeast Asia, the Middle East, Haiti, India, The Dominican Republic, Africa, Papua New Guinea, and Central and South America (3). Malaria is one of the largest diseases around the world. About one out of every 20 people on earth, almost 300 million people, suffer from malaria yearly. Almost 2 million of those 300 million people die each year. Many new drugs are being tested to prevent malaria but no sure vaccine has been discovered (1). Malaria has terrorized this earth since the mid-Pleistocene age ...
    Related: malaria, research paper, ancient rome, world history, diagnosis
  • Mysteries Surrounding Creutzfeldtjakob Disease - 1,830 words
    Mysteries Surrounding Creutzfeldt-Jakob Disease The Mysteries Surrounding Creutzfeldt-Jakob Disease Creutzfeldt-Jakob Disease is a killer. What we know is that it wastes no time. Creutzfeldt-Jakob Disease will kill a person within one year of contraction. It is yet unknown how Creutzfeldt-Jakob Disease chooses its victims, but it does seem to have accomplices, known as the spongiform encephalopathies, in the rest of the animal kingdom. It is possible that it may be known what means Creutzfeldt-Jakob Disease uses in order to annihilate its victims, but the theory surrounding that is still controversial. By examining the facts and observing the evidence we shall one day uncover the truth behin ...
    Related: alzheimer's disease, disease control, human disease, mad cow disease, problems associated
  • The Environment - 1,823 words
    The Environment - The Environment The impact of people on their environment can be devastating. This is where the respective role of governments can make decisions that shape environmental policy and responsibilities. These governments can be broken up into four different levels: local, state, federal and international. Air quality and biodiversity are two current issues that can be related to the role of governments. Global warming is also another implication that has a devastating effect on the environment. Current examples include the rise in sea levels, polar meltdowns, the melting of ice sheets and glaciers and human deaths due to disease from the effects of global warming. Firstly the ...
    Related: indian ocean, record keeping, national strategy, examination, mountains
  • The Human Genome Project - 943 words
    The Human Genome Project The Human Genome Project is a worldwide research effort with the goal of analyzing the structure of human DNA and determining the location of the estimated 100,000 human genes. The DNA of a set of model organisms will be studied to provide the information necessary for understanding the functioning of the human genome. The information gathered by the human genome project is expected to be the source book for biomedical science in the twenty-first century and will be of great value to the field of medicine. The project will help us to understand and eventually treat more than 4,000 genetic diseases that affect mankind. The scientific products of the human genome proje ...
    Related: genome, genome project, human condition, human disease, human genome
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