It is true that medicines and other products are routinely tested on animals before they are cleared for human use. While I tend towards the viewpoint that animal testing is morally wrong, I would have to support a limited amount of animal experimentation for the development of medicines. On the one hand, there are clear ethical arguments against animal experimentation. To use a common example of this practice, laboratory mice may be given an illness so that the effectiveness of a new drug can be measured. Opponents of such research argue that humans have no right to subject animals to this kind of trauma, and that the lives of all creatures should be respected. They believe that the benefits to humans do not justify the suffering caused, and that scientists should use alternative methods of research. On the other hand, reliable alternatives to animal experimentation may not always be available. Supporters of the use of animals in medical research believe that a certa...