Diet Fiction is the story of humans' battle with excess weight - from ancient times, when the problem was first observed, through today. Right now, about two billion people or 30% of the world's population, are overweight or obese. For many of them, "the yoyo effect" has become a way of life. Their weight goes up and down, and then back up again. Each time they lose weight, they end up regaining the weight they lost and then some. While it is sometimes...