Animal testing is the experimentation on animals such as mice, lizards, monkeys, etc. to assess the effectiveness of various medications and cosmetics. Scientist tests various medications and experiment on animals to better understand how the human body works, and to find a solution to different diseases that are killing people. While many scientists and doctors believe this is necessary, many people oppose this practice as they believe it is animal torture.
The US National Academy of Sciences released a report in 2007 about a future without the need of experimentation of animals. Instead, scientists could use cultured human cells. The NAS report, National toxicology program, US food and drug administration and many other agencies cooperated