The gross over-simplification of the intricate network of biochemical systems that make up the human body in the interests of proving that one's product is the best at relieving some bodily discomfort. Usually seen as an animation depicting the sole source of said discomfort as a throbbing or jiggling shape in the head or some other region of the body. This is accompanied by an animation of the product being administered, heading straight for the discomfort -- and only there -- and promptly eliminating it within seconds. Examples of Pain Center include: