Perhaps you remember the scene from the movie Tom Jones, later repeated in Flashdance, where the male and female protagonists eat slowly, sensuously, chomping on a chicken leg (I think it was), slurping and licking their fingers, looking provocatively at each other -- without them touching each other or removing a single piece of clothing, that scene was truly one of the most erotic moments in movie history,

There are several fad diets that will lead to successful weight loss if you follow them exactly as they are designed. That doesn't mean every food that fits into a diet is good for you, but it does mean you have to change your eating patterns to fit the diet's rules. 

Rather than worry about following a fad diet, think about your health and your lifestyle instead. Start by learning which foods are good for you.