Ian Marber, nutritional therapist Ian is a regular contributor to the Mail on Sunday Health pages, having published 11 best-selling books on the subject of nutrition. Founder of The Food Doctor nutritional consultancy in London and range of healthy food, he has his own series on The Discovery Health channel, weekly appearances on Channel 4's Richard and Judy and is a regular guest on BBC Breakfast and factual programmes. Dr Laura Corr, consultant cardiologist Dr Corr is one of Britian's foremost heart experts based at the prestigious Guy's and St. Thomas' Foundation Trust. An Associate Editor of the European Heart Journal for eight years Dr Corr has published numerous papers on how diets can protect against heart disease. She is a spokesperson for the British Heart Foundation and is a regular commentator on heart health on television and radio. Dr Sarah Schenker, dietician Dr Schenker is a member of the British Dietetic Association and has served on numerous professional and government committees. She started her career in the NHS at Guys and St Thomas' and the John Radcliffe Hospital in Oxford, and most recently provided the recipes for Mimi Spencer's best seller The Fast Diet Cook Book.