Practitioners use unscientific practices and deception on a public who, lacking complex health-care knowledge, must rely upon the trustworthiness of providers. Quackery not only harms people, it undermines the scientific enterprise and should be actively opposed by every scientist.

What are effects of quackery?

HARMFUL, PHYSICAL AND PSYCHOLOGICAL EFFECTS OF QUACKERY 1. It puts the lives of the public in great danger. 2. It creates regrets and frustrations on the consumers due to unwise spending of their resources.

What are some reason for the existence of quackery?

As to why quackery has persisted over such a long expanse of time, Helfand suggests a few reasons, including: that quacks often play upon the fears and hopes of their customers, quack nostrums might have simply been cheaper and more convenient (economically as well as in general) than more expensive medical care; and ...