During the last few years it has become very popular to use a long known nerve poison for medical or for cosmetic medical purposes. The botulin poison is produced by the botulin bacteria which is a septic bacterium often found in canned meat, for instance.

The extreme awareness of the body nowadays, seen as the popping up of fitness-studios, makes people more concerned about the shape and volume of their muscles. In spite of hard training the desired shape might not be achieved and all these factors might give a desire of surgical muscle-augmentation.