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动物实验自20世纪80年代初，随着医学研究和产品测试而被广泛应用。然而，科学研究和产品测试使用动物只关注人的利益。动物的权利呢？人的利益总是让我们介入了动物权利的法律？是否有必要用动物科学和产品测试的伦理问题一直是激烈辩论了一段时间。而动物权利活动家认为有道德的活体解剖动物权利的侵入，美国国家科学院实验动物研究认为动物研究在许多领域是必不可少的。欧洲人对于医学的进步也反对这个问题揭示了动物实验是低效和不可靠的。本文将概述和研究为自己的观点，提出作者自己站在动物实验的困境。

的美国国家科学院实验动物研究认为有需要动物研究将继续保护人类免受疾病和危险产品。他们说，现代技术，如复杂的电脑仍然是稀缺的代表分子之间的相互作用，细胞，组织，器官和生物体解剖不一样。研究人员称，试验进行了基于伦理的法律程序而否认问题的残忍和虐待动物的研究中涉及的。他们还宣称，大多数研究不涉及痛苦，如果是这样的话，疼痛缓解或麻醉镇痛药。科学家们还认为人类和动物生物学使他们研制新的药物相似，疫苗和帮助他们更多地了解我们的身体和它的功能。根据美国实验动物学会的数据，了解人类不仅是有用的，它是在了解我们的宠物、野生动物和其他动物也有帮助。

Animal experimentations have been extensively used in Medical researches and products testing since the early 1980s. However, the use of animals for scientific researches and products testing has only concerned with human benefits. How about the animal rights? Does human benefits always make it legal for us to intervene the animal rights? The issue whether it is ethical and necessary to use animals for Sciences and products testing has been vigorously debated for a period of time. While Animal Rights Activist perceived vivisections has ethically intruded animal rights, Laboratory Animal Research of the United States National Academy of Sciences believed animal researches is essential in many areas. Europeans for Medical Progress which also opposing this issue reveals animal experimentations as inefficient and unreliable. This essay will outline and examine their views in order to come up with the writer's own stand over dilemma of animal experimentations.

Laboratory Animal Research of the U.S. National Academy of Sciences argues that there are needs for animal researches to be continued to protect humans from diseases and dangerous products. They were saying that modern technologies such as sophisticated computers are still scarce to represent the interactions between molecules, cells, tissues, organs and organisms like vivisection does. Researchers claimed the experimentations were carried out based on ethical procedures outlined by law and thus deny the issue of cruelty and animals' abuse involved during the researches. They also declare that most research does not involve pain and if so, the pain is alleviated with analgesic or anesthetic drugs. Scientists also argue about the similarities of animals and humans biology which has allowed them to develop new drugs, vaccines and help them to learn more about our bodies and how its function. According to American Association for Laboratory Animal Science, the data gathered are not only useful in understanding humans, its does also helpful in understanding our pets, wildlife and other animals too (Use of Animals in Biomedical Research: Understanding the Issues. n.d. p1).

Even though this issue has been vigorously debated for a long time, the solution to stop it seems still too far and complex. As the perception on ethics, animal rights, and animals' welfare develops over the years, animals continues being used in research but perhaps conducted within scientific, humanely appropriate, and ethical principles. This improvement was evolved as a result from the introductions of Guide for the Care and Use of Laboratory Animals by the National Research Council (NRC) of the United States. This guide that concerned with animal rights provides the institutions with brief outlines to carry out the research within scientific, humane, and ethical principles. As an example, the introduction of three Rs method - replacement, refine