Nigel Denby trained as a dietitian at Glasgow Caledonian University, following an established career in the catering industry. He is also a qualified chef and previously owned his own restaurant. His dietetic career began as a Research Dietitian at the Human Nutrition Research Centre in Newcastle upon Tyne. After a period working as a Community Dietitian, Nigel left the NHS to join Boots Health and Beauty Experience where he led the delivery and training of Nutrition and Weight Management services. In 2003 Nigel set up his own Nutrition consultancy, delivering a clinical service to Hammersmith and Queen Charlotte's Hospital Women's Health Clinic and the International Eating Disorders Centre in Buckinghamshire as well as acting as Nutrition Consultant for the Childbase Children's Nursery Group. Nigel also runs his own private practice in Harley Street, specialising in Weight Management, PMS / Menopause and Irritable Bowel Syndrome. Nigel works extensively with the media, writing for the Sunday Telegraph Magazine, Zest, Essentials, and various other consumer magazines. His work in radio and television includes BBC and ITN news programmes, Channel 4's Fit Farm, BBC Breakfast, and BBC Real Story. Nigel's first book, The GL Diet, was published by John Blake in January 2005. Sue Baic is a Lecturer in Nutrition and Public Health in the Department of Exercise and Health Sciences at Bristol University. She has a first degree from Bristol University followed by a Master of Science in Human Nutrition from London University. Sue is a Registered Dietitian (RD) with over 15 years' experience in the field of nutrition and health in the NHS and as a freelance consultant. She feels strongly about providing nutrition information to the public that is evidence based, up to date, unbiased, and reliable. As a member of the public relations committee of the British Dietetic Association she has written for the media on a variety of nutrition related health issues. Sue lives in Bristol and spends her spare time running up and down hills in the Cotswolds in an attempt to get fit. Carol Ann Rinzler is a noted authority on health and nutrition and holds an MA from Columbia University. She writes a weekly nutrition column for The New York Daily News and is the author of more than 20 health-related books, including Controlling Cholesterol for Dummies, Weight Loss Kit for Dummies, and the highly acclaimed Estrogen and Breast Cancer: A warning for women. Carol Ann lives in New York with her husband, wine writer Perry Luntz, and their amiable cat, Kat.