Cutting the fat: Does restrictive dieting work?04:29
Celebrities like Hugh Jackman, Jennifer Lopez and Jimmy Kimmel have reportedly tried intermittent fasting diets. Books touting the benefits have become best-sellers. But are diet plans like these really realistic for the average person to follow? TODAY is putting some of the most popular diet and fitness trends to the test and NBC’s Kerry Sanders gets things started with the help of TODAY nutritionist Joy Bauer.