Scientists use animals in medical research to study how the body works and how to diagnose, cure, and prevent disease. Researchers also use animals for tests to try to protect the public from dangerous chemicals, (Day, 13) such as those included in detergents, bleach, and other household products. When live animals are used in experimentation, this practice is called vivisection. Animals are used in many instances because their bodies often react in a similar way to that of a humans. Although animals have been used in medical research for

Its clinical acceptance was based on an apparent lack of toxicity testing.

numerous years it was not until the early 1920’s that it became more prominent. It was at this point that the introduction of using live, un-anesthetized, animals to study toxic effects on an increasing array of drugs, pesticides and food additives was introduced. After this great advance in medical research the results of using animals grew with leaps and bounds. In 1970 this process peaked with the use of millions of animals. Since then, according to the USDA’s

75) The research that followed was used to fight, understand and try to control the conditions of tumors that cause cancer, and to also learn how and why they grow and spread. The development of chemotherapy was tested on rodents, monkeys and rabbits in 1950. Forty years later, in 1990, scientists began closing in on the genetic and environmental factors that lead to breast cancer, which is the leading killer of American women between the ages of 35-54, the main species used in these experiments were fruitflies, mice and rats. (History of Medical

Although cancer has not been cured completely the benefits that animal experimentation have brought to this field of research is without a doubt amazing. Now, thanks to epidemiology we now know that 80-90 percent of cancers are preventable. (Sharpe, 173) In 1950 scientists used rats and mice to discovery DNA, which is what determines individual hereditary characteristic.

Animals Welfare Enforcement, 1,267,828 animals were used for medical purposes in

Weather that instance is in a surgical procedure, of the safety that is promised when we use a shampoo. Either way everyone has had a safer and more healthily life thanks to the animals that have sacrificed their lives for ours.

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