This term "snake oil" finds its roots in the 19th century, especially in the United States, where it became used to label deceptive health products sold by traveling salesmen. Such individuals, commonly referred to as "snake oil salesmen," would peddle a myriad of concoctions, asserting they could... https://www.articleted.com/article/969855/275628/Beware-of-Snake-Oil-Pseudoscience