Without testing medicines on animals, the only way of testing would be to directly try it on humans. ... There are many painful tests performed on animals. ... Testes were cats had their abdomens cut open for injecting solution in their bowls; dogs given kidney failure by the damaging of one kidney and the removing of the other, surgically debarked, had huge chunks of muscle cut out of their thighs or got their bones cut out and then stressed until they broke are just common testes performed in IAMS. ... But it is very difficult to understand why companies continue to test on animals the pro...

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• Has Bibliography

The main stem cells subject to testing are stem cells extracted from left over embryos during in-vitro fertilization. ... While researchers are hopeful and believe their findings to be promising, doctors are quick to point out that it could be years before research actually advances to human testing, and stress the fact that all research is "potential-. ...

• Word Count: 1078
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• Grade Level: Undergraduate