Medical quackery are those includes treatments and cures that are bloodless or drugless in nature. Also includes incarnations. 

Nutrition quakery- food fads and other nutritional practices that claim to be all-natural 

Device Quackery- gadgets such as gauges, electrodes, magnets and blinkers that are said to cure certain health conditions
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i think that is a meaning of that three quackery do know also the examples?
The examples were included in the meaning. But I don't have any other examples. Sorry
its okay but anyway thank uou