The effects of different chemicals on humans have been a subject of interest since ancient times but this originally focused on how to poison people. The ancient Greeks and Romans as well as Egyptians employed poisons (Ojanperä, Kolmonen and Pelander, 2012). The most popular poison was arsenic in Roman times, and in early France it was referred to as inheritance powder. It is known that poisonous chemicals were almost certainly studied by Democritus, and he found and conveyed some of his findings to Hippocrates (Ojanperä, Kolmonen and Pelander, 2012). It has been found that people used poisons both for murder and as an approach of execution as in the example of Socrates, as he was the first philosopher in the history who condemned to death
