A Necessary Evil? Modelling Depression in Rodents As we move on in the modern age we grow and learn many things about science- we discover new things, new solutions to old problems and help people get better- these are the main focus of medical science. This broad field of medicine also includes disease or disorders related to the human brain. But before any drug that works effectively on any disease regarding the human brain is put into the market, it goes through a battery of tests. One of the most important being- testing it on animals, majorly rodents. Testing it on mammals is important so as to figure out the effect and efficiency of the drug on the mammalian brain, but at what price? Researchers use rodents- most commonly mice or rats, as the proverbial sacrificial lambs. These drugs and the tests have a huge possibility of killing the rodents, but we still continue doing it- this has been accepted as a necessary evil, but the question remains in many minds- what ...