Beginning of Essay
is a very fragile topic. Opposing sides have strong reasons to stand for either of their believes, leading to many ethical questions. One of the major questions is who is right and who is wrong? There is no one right answer, but instead million of them based up ....

Middle of Essay
.... transplants, and the cardiac pace maker. The disease polio, which killed and disabled many children, is almost completely vanished from the United States by the used of preventive vaccines that were perfected on monkeys. Not only polio, but also mumps, measles,rubella and smallpox have been eliminated through antibiotics tested on monkeys. Major diseases have been alleviated and have had major advances totheir cure, diseases such as leukemia in children among other types of cancerand tumors. Animals not only contribute greatly in medicine, but through out the history of human kind they have been consumed as food, being a majorsource for the basi ....