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When one hears the words "animal testing", they may think of a mouse with a human ear growing on its back, which is used in reconstructive surgery, or of a caged animal waiting for its ultimate torture. These two thoughts, which clearly depict completely opposite views, are the very reason why animal testing is so controversial. This issue has positive as well as negative aspects. Animal testing may be unpleasant for animals, but animal testing brings medical advancements in human society. So as one can understand, a resolution to this problem does not easily come about.
Animal testing has existed for years and is still practiced today. Animals are tested for numerous reasons, such as for the testing of medicines and cosmetics. There are documents that show that the Greeks used animals for testing in the third and fourth centuries BCE. "Aristotle was one of the first to perform experiments on living animals and Galen, a physician in second-century Rome is known as the "father of vivisection" [which means to cut or dissect and is used today to describe animal experimentation]"(Wikipedia 3). A dog was the first to orbit the earth and a sheep was the first animal to be cloned. Animal testing has been a part of our history.
Animals are used in research for medical research and for the testing of medical procedures. Antibiotics, insulin for diabetes, and vaccines for polio and hepatitis exist today because of such testing. Measuring blood pressure, heart machines, and lung
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machines are a couple of medical procedures that are used today to save as well as monitor lives. These procedures only exist due to the fact that animals are used to test them. Animal testing is not only beneficial for humans, but also for animals. Heartworm medicine for animals was founded due to animal testing as well as the better understanding of cat nutrition.   Animal experimentation clearly benefits society as a whole.  
Some might wonder where the animals used for research come... [continues]

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