Mimi Spencer is a journalist and author. A feature-writer and columnist for titles including the Mail, the Evening Standard, the Guardian, the Spectator, Marie Claire, Harper's Bazaar, and Observer Food Monthly. She is the author of 101 Things To Do Before You Diet (Transworld 2010). Dr Sarah Schenker is a Registered Dietitian and Nutritionist who has served on both professional and government committees. She now combines her sports nutrition work, consulting for football clubs including Tottenham Hotspur and Chelsea, with regular appearances on television and writing for scientific journals, as well as for newspapers, magazines and websites.