Dr Clare Bailey is a general practitioner doing diet research with Oxford University. She is married to Dr Michael Mosley and is the author of The 8-Week Blood Sugar Diet Recipe Book, The Clever Guts Diet Recipe Book and The Fast 800 Recipe Book. Justine Pattison is one of the UK’s leading healthy-eating recipe writers. She has published numerous books – she worked with Dr Clare Bailey on The Fast 800 Recipe Book and The Fast 800 Easy – makes regular appearances on television, can often be heard on the radio and contributes to many top magazines, newspapers and websites. www.justinepattison.com Dr Michael Mosley is the #1 international bestselling author of several books, including The Fast 800 Keto, The Fast 800,The 8-Week Blood Sugar Diet, The Clever Guts Diet and The Fast Diet. Dr Mosley trained to be a doctor at the Royal Free Hospital in London before joining the BBC, where he spent three decades as a science journalist and executive producer. Now freelance, he is a well-known television personality and has won numerous television awards, including an RTS (Royal Television Award), and was named Medical Journalist of the Year by the British Medical Association.