Ancestors of modern day bacteria were some of the first forms of life on Earth. Their existence is estimated to have originated 4 billion years ago. Unicellular organisms have endured through mass extinctions including the most severe of all‚ at the end of the Permian period 250 million years ago‚ which caused 96% of species that were around at the time to perish. Time has proven that bacteria are natural masters of survival and thrive in the most extreme of environments. They are found virtually
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domesticable animals and concomitant diseases. These animals offered a lot of great benefits‚ but also transmitted all types of diseases to the farmers. In the 14th century The Black Plague devastated their population‚ which killed 90 percent of their people. The devastating disease only went in one direction from Eurasia to the Americas. Columbus arrival in 1492 suddenly collided with 12‚000 years of American isolation from Eurasian. The European were not affected by the disease as much as the Native American
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O’Malley in their article Chronic Kidney Disease in an Alaska Native/American Indian Statewide Healthcare Network when it comes to Chronic Kidney Disease‚ and in particular it’s later stage‚ end stage renal disease(ESRD) Alaskan/Native American Indians are "diagnosed with ESRD more than other ethnic groups (Caucasian‚ African American‚ or Asian)"(2014). The statistics show that "between 6.3% and 9.2%"(2014) of Americans are affected by chronic Kidney disease. These numbers are better put into perspective
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Reactive airway disease‚ also known as asthma‚ is characterized by a constricting of the airway that carries oxygen to our lungs. This is caused by the air passages inflaming. Although‚ there are many treatments for asthma‚ it is still a very severe and hazardous disease that causes almost 2 million emergencies a year and affects nearly 26 million Americans (What 1). There are many aspects to this disease that are very important including; the 3 main features‚ the types of asthmas along with the
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recreational drug use and sexual promiscuity can lead to diseases and death. Primary prevention of a disease means to prevent it from occurring. Infants and children are immunized to prevent them from contracting diseases such as measles‚ or polio. Primary prevention of a disease would include removal of occupational hazards‚ such as asbestos‚ which is a known carcinogenic. Secondary prevention of a disease includes recognition of the disease early and taking corrective measures. In the case of diabetes
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Life Essay “Life‚ you can’t subdue me because I refuse to take your discipline too seriously. When you try to hurt me‚ I laugh — and the laughter knows no pain. I appreciate your joys wherever I find them; your sorrows neither frighten nor discourage me‚ for there is laughter in my soul. “Temporary defeat does not make me sad. I simply set music to the words of defeat and turn it into a song. Your tears are not for me‚ for I like laughter much better‚ and because I like it‚ I use it as a substitute
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We are in the age of science and technology. Man cannot live without the aid of science. Science has so much engulfed our lives that nothing can take place in our day to day work without the help of science. Our food‚ transport‚ learning‚ administration‚ recreation and social life are all linked with science in various ways. There are many advantages of scientific discoveries in our daily life .Nowadays there are gadgets to remove drudgery. Electricity‚ communications‚ transport‚ entertainment and
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One of the first symptoms of coronary artery disease is known as angina pectoris commonly referred to as chest pain. It is the most common form of temporary ischemia that develops when the muscles of the heart doesn’t get enough blood supply. This type of symptommay occur when an individual is exercising or may even occur at rest. Sometimes before they realize that something is wrong‚ emotional stress can produce a sensation of pressure‚ chest constriction‚ or pain that may radiate from the sternal
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the drunk man’s drink. Drinking alcohol is one of the worst things anyone can do to their health. It causes so many health problems such as vitamin deficiency‚ skin problems‚ obesity‚ stroke‚ high blood pressure‚ heart disease‚ fetal alcohol syndrome‚ cirrhosis or scarring of the liver‚ cancer of the esophagus‚ mouth‚ throat‚ and larnyx. Drinking alcohol ages you by making you look older than you really are. You can definitely tell the difference between someone who drinks alcohol and someone who doesn’t
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What is it? Coronary heart disease is a disease in which a waxy substance called plaque builds up inside the coronary arteries. These arteries supply oxygen-rich blood to your heart muscle. When plaque builds up in the arteries‚ the condition is called atherosclerosis Symptoms: Symptoms include • Shortness of breathe • Irregular heart beats • A faster heartbeat • Weakness or dizziness • Nausea • Sweating Causes: Coronary heart disease starts when certain factors damage the inner layers of the coronary
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