Fad diets refer to trendy eating plans or weight loss methods that become popular quickly but often don't have long-term benefits. These diets usually promote rapid weight loss but may lack proper nutrition or scientific evidence. Full definition
This small community seems to have figured out how to translate community into a happy and long life, free of fad diets, substance abuse and crime. (entrepreneur.com)
That should be a lifelong strategy, unlike fad diets like tea detox which do more harm than good. (thelingeriediet.com)