The Dukan Diet is a unique 4-step programme, combining two steps to lose your unwanted weight and two steps to keep it off for good: Step 1: Attack For 2-7 days eat as much as you want of 72 protein-rich foods. Step 2: Cruise Continue eating the protein-rich foods with the addition of 28 vegetables. Step 3: Consolidation Add fruit, bread, cheese and starchy foods, and 2 celebration meals a week, allowing 5 days for every pound lost. Step 4: Stabilisation Eat what you like without regaining weight by following 3 simple rules, including the famous 'protein Thursdays'. Devised by Dr Pierre Dukan, a French medical doctor who has spent his career helping people to lose weight permanently, The Dukan Diet is the culmination of thirty-five years' clinical experience.