If you think diets are a recent invention, think again. The Diets That Time Forgot is a unique historic experiment where nine volunteers spend 24 days testing the weight loss diets and fitness regimes that were popular in the late Victorian and Edwardian periods and the 'roaring' Twenties to see which plan works best. Is it the Banting diet first published in 1863, the 'chew chew' diet of the early 1900s, or the first calorie counting Lulu diet, one of the best selling non-fiction publications of the 1920s? Sir Roy Strong, former director of the Victoria and Albert Museum and the National Portrait Gallery, thinks history holds the answer to the world’s obesity epidemic. To prove it, he’s transformed a magnificent Victorian country house into a period health spa. It’s Sir Roy’s mission to help his modern-day dieters learn some life-changing lessons from their grandparents’ generation about how to eat, keep fit and live a healthy, happy, longer life. With smiles produced all round at weigh-in, the big question is which diet works best?