Before revision: thumbnail|Cartoon depicting a quack doctor using hypnotism (1780, France) Similar advertising claims to those of Radam can be found throughout the 18th, 19th, 20th and 21st centuries.
After revision: thumbnail|Cartoon depicting a quack doctor using hypnotism (1780, France) Advertising claims similar to those of Radam can be found throughout the 18th, 19th, 20th and 21st centuries.