DR CLARE BAILEY, wife of Michael Mosley, is a GP who has supported hundreds of patients to lose weight, reduce their blood sugars and put their diabetes into remission at her surgery in Buckinghamshire. She is the author of multi-bestselling The Fast 800 Keto Recipe Book, The 8-Week Blood Sugar Diet Recipe Book, The Clever Guts Diet Recipe Book and The Fast 800 Recipe Book. KATHRYN BRUTON is a recipe writer, developer and food stylist who contributes to the UK's bestselling cookbooks and leading food magazines. She is the author of her own bestselling series of low-calorie, high-nutrition cookbooks and now collaborates with leading authors to curate dynamic, must-cook recipes. DR MICHAEL MOSLEY trained as a doctor before becoming a journalist and television presenter. He is the author of The Fast Diet, The Fast 800 Keto, The Fast 800, The 8-Week Blood Sugar Diet and The Clever Guts Diet. He is married with four children.