What is a 'fad diet'?

What is a 'fad diet'?

Andrea Giancoli (Registered Dietician ) gives expert video advice on: How many Americans are on a diet?; What is a 'fad diet'?; Why are fad diets popular? and more...

A fad diet is a diet that's usually short-lived. It promises dramatic results with very little work. It often centres around one type of food or one type of eating behavior, and often tells you that you don't have to exercise or you don't have to give up your favorite foods. It usually sounds too good to be true.