While many medical advances such as vaccines, analgesics, and dialysis have involved animal research, the practice is controversial for a simple reason: we experiment on animals because they are like us, yet this likeness may imply that we’re wrong to use them. This essay discusses the ethics of animal research, by considering three common defenses of it and some responses. The post Ethics and Animal Research first appeared on 1000-Word Philosophy: An Introductory Anthology.