FADDISM

the practice of following a fad (a temporary fashion, notion, manner of conduct, etc., especially one followed enthusiastically by a group), such as seeking and adhering briefly to a passing variety o f unusual diets, beliefs, etc. —Clear Body, Clear Mind: The Effective Purification Program

the practice of following a fad (a temporary fashion, notion, manner of conduct, etc., especially one followed enthusiastically by a group), such as seeking and adhering briefly to a passing variety of unusual diets, beliefs, etc.