Frequently Asked Questions about Fad Diets What is a fad diet? A fad diet is a popular weight-loss approach that promises fast results but often lacks scientific evidence and can be unsustainable in the long run. It usually focuses on restricting certain food groups or promoting excessive consumption of specific foods or supplements. Learn more about what is a fad diet on Quizlet Why are fad diets not recommended? Fad diets are not recommended because they often lack essential nutrients, restrict calories too severely, and can lead to nutritional imbalances or deficiencies. Additionally, they often result in short-term weight loss…