Diets a z

Madonna is a Macrobiotic fan; Kylie likes Montignac and Posh drops pounds by following the Japanese diet, but what are these diets all about and are they suitable for you? Our nutritionist Suzannah Olivier has whittled down a vast array of plans - from celebrity-endorsed to medically approved and the most asked about - to give you the good, the quirky and the ugly in diet world.