Where would we be Without Animal Testing? Is the use of animals in research justified? Should animal experimentation be permitted? Should these animals be liberated? A logical person would say the benefits justify the research. Without animal testing, products would be based on theory. No one would want to use something, which may damage eyes, be poisonous, cancerous, and cause birth defects. Animals used in testing are not from the endangered species list; also many of the types of animals used are killed each year by rat or mouse traps ....