It is to some extent reasonable to consider the necessity of experimenting animals for the possible effects from human-oriented medicines, but one can never neglect the brutality of this action.
For those voting for using animals for medicine researches, they may hold that it is, currently, still impossible to find any alternative way to testify the side effects of those medicines to people before they are marketed. Those negative consequences may provoke great losses, because even if we know that the chemical materials inside those pharmaceutical resources can theoretically cure certain diseases or improve human’s physical situation, the complicated living system may also perform negatively due to the intake of those elements. That is why the probation of medicines cannot be omitted, and why people need to find an alternative of themselves-a biomass of a similar physical system with human beings-to lessen the possible calamities that may otherwise happen on human bodies. Therefore, to domesticate, or cultivate some animals with same physiological functions seems the only way to fulfill those requirements, since we human have yet to compose a totally artificial organism by ourselves, and it is true that the potential blights to those animals may be relatively less terrified than the damage to mankind if without them.
However, the thinking exhibited, even if rational somewhat, still cannot conceal the fact that this action practically is extremely cruel to those animals with the fate of being experimented. Those lives, no matter how proper to be used for this, are killed, or at least flawed from innocence for not their own species, but for the one who domesticate them. This is even much crueler if we see past the truth that even though those animals may generally be the sacrifice for testing the possible negative consequences, they still cannot ensure the harmlessness of the final products that are tested once and once again on their bodies and ultimately proved available for the public: people might still be poisoned, since they perform differently always in their physical situations; no one can ever give out the guarantee that those examined medicines totally fit for every person to better their bodies. That means the cruel treatment to these creatures are actually less than necessary, or even considered in vain.
In conclusion, these types of experiments can never eliminate their ruthlessness to the tested animals, and their necessity may be not as that clear as human’s expectation.
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