Progress in the pharmacological, medical and biological sciences involves experimentation on all living species, including animals and humans. The effectiveness of medications investigative procedures and treatments must at some point be tested on animals and human beings. Although tests are conducted much more frequently on lab animals, especially those most related to humans, they do not provide sufficient information.
The history of medicine shows that there has always been a need for experimentation on human beings. Examples of these consist of the inoculation of Newgate prisoners in 1721, who had been condemned to death with Smallpox. In 1796, Edward Jenner, ...