The crash diet is back: the science proves once and for all that speedy weight loss is the most beneficial and effective. The future of your health is here. With exercise plans and delicious, Mediterranean-style, low-calorie, gut-friendly recipes, The Fast 800 offers a range of tools to help not just with losing weight, but with improving brain function, reducing blood pressure and inflammation. Intermittent fasting is given a long-awaited reboot, which includes much easier fasting days with higher 800-calorie limits. Fascinating new research, including clinical trials that show the 800-calorie crash diet in action. 3 million copies sold internationally across Mosley sbooks across more than 40 territories worldwide. Close to half a million copies of all Mosley s books sold in Australia and New Zealand and multiple No 1 bestsellers