Dr Michael Mosley presents the latest scientific research explaining how the ketogenic diet works and why it is good for you. This new approach helps you lose weight safely, improve mood and reduce blood pressure, inflammation and blood sugars.The Fast 800 Keto is a dynamic new weight loss program that combines a ketogenic diet with low-calorie intermittent fasting to give you the key to long term success. It includes clear advice on which foods will help put you into ketosis, and an easy step-by-step program along with 50 delicious low-carb recipes and menu plans.In this episode Gregory Dobbs talks to Dr Michael Mosley about why intermittent fasting and rapid weight loss is the best approach, how to 'flip the metabolic switch', the importance of quitting processed food, and how honesty is the best policy in making a permanent lifestyle change.