In science 200 today we heard about how one of the ways that we discovered the connection between lung cancer and smoking cigarettes. Myself as well as many of my classmates were horrified to hear that beagles were forced to inhale smoke in order for scientists to examine the effects of tire nicotine on the lungs. In many class discussions Andrew will refer to an experiment in which rats were used. In fact, prior to hearing about the Beagle study, Andrew discussed at the class the study in which tarr was applied to the back of rats. The study showed that when applied at often the tarr caused cancerous tests. So why is it that we get upset when dogs are used in experiments but not when rats are?
Depending on where you are from, you view animals differently. In North America we cherish dogs and cats as domesticated members of our family. In places such as the Middle East and certain Asian countries dogs are viewed as unclean in the way that we’ve used rats and mice in the United States. Most households in United States have at least one pet. The most common pets in United States are as follows: dog, cat, fish, birds, horses. Some people have pets to control test environment while others have pets as companions. It is proven that certain interactions between humans and dogs can release a hormone called oxytocin to the brain. This has been demonstrated with cats and dogs but not mice and rats. This release of hormones explains the inevitable connection that we feel with dogs, which also explains why we do not feel this Strong connection to rats and mice. This lack of endorphins accounts for our indifference towards the use of rats in scientific experiments and studies.