While intermittent fasting, going long periods of time without eating, has become a popular way to lose weight, like most other diet trends, it's a fad that won't lead to lasting results. (healthyeating.sfgate.com)
However, unlike most other diets, I.F. is... (onnit.com)
Individual results vary, but most people tend to lose about 10 pounds (4.5 kg) over the course of 1 week, which is about 3 - 5 times more weight than could be achieved from most other diets in the same period of time. (foodpyramid.com)