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Take a look around your office at lunchtime and it's a safe bet that at least one person will be munching on a bowl of Special K for their lunch while another eats a carefully prepared carb-free, low-GI salad. With most women on a diet at some point, if not most of their lives it's no wonder that the diet food industry is a big business but with some weight-loss plans causing severe flatulence, and others giving followers unsightly acne, just how far is too far to go in the name of losing weight? We take a look at the good, the bad and the bizarre diets which most of us have unwittingly tried and failed at, at some point in our lives...