A Question Of Ethics
Since chimpanzees are thought to be physiologically close to humans, researchers use them as test subjects for new drugs and vaccines. In the labs, these very sociable creatures often live isolated from one another in 5-by-5-foot cages, where they grow surly and sometimes violent. Dogs, cats and rats are also kept in poor conditions and subjected to painful procedures. Many people would find it hard to sympathize with rats, but dogs and cats are part of our lives....