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Originally Posted by CDSmith
I voted no because although animals can be used for testing in order to further science and cures for diseases etc, there is no need for cruelty. They can be handled and treated humanely and still be used to accomplish those goals.
Why does "cruelty" have to come into the equation? It doesn't.
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In many cases, it's impossible to completely prevent suffering. For example, when studying the course of cancer in rats (say, to see the differences in disease progression with different sorts of medication), it is impossible to keep them entirely sedated and on painkillers all the time - if only because painkillers could have side-effects which potentially affect the spread of the disease.