Promotion of fraudulent or ignorant medical practices
WPA poster, 1936–38
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Quackery, often synonymous with health fraud, is the promotion[1] of fraudulent or ignorant medical practices. A quack is a "fraudulent or ignorant pretender to medical skill" or "a person who pretends, professionally or publicly, to have skill, knowledge, qualification or credentials they do not possess; a charlatan or snake oil salesman".[2] The term quack is a clipped form of the archaic term quacksalver, from Dutch: kwakzalver a "hawker of salve".[3] In the Middle Ages the term quack meant "shouting". The quacksalvers sold their wares at markets by shouting to gain attention.[4]
Common elements of general quackery include questionable diagnoses using questionable diagnostic tests, as well as untested or refuted treatments, especially for serious diseases such as cancer. Quackery is often described as "health fraud" with the salient characteristic of aggressive promotion.[1]
^ abCite error: The named reference Barrett2009 was invoked but never defined (see the help page).
^"quack". Dictionary.com Unabridged (Online). n.d. Retrieved 7 February 2007.
^Harper, Douglas. "quack". Online Etymology Dictionary. Retrieved 6 November 2015.
^"German–English glossary of idioms". accurapid.com. Poughkeepsie, New York: Accurapid. quacksalber. Archived from the original on 4 December 2010.
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