In the 1950’s, there was a drug called Thalidomide. It was prescribed as sedative for pregnant women having morning nausea. In the early 1960’s it became clear that the drug causes birth defects: babies were born without fingers, toes and sometimes entire hands and legs.
Mice and rats are adorable pets. They are cute, intelligent, fun to watch, very interactive and extremely easy to care for. Mice also share a large portion of DNA with humans, making them perfect test subjects. And some times those tests lead to fantastic results.