Food critic Giles Coren tries three extreme diet regimes in a bid to increase his life expectancy, meeting people whose pursuit of longevity dominates every aspect of their lives.
Giles Robin Patrick Coren is a British columnist, food writer, and television and radio presenter. He has been a restaurant critic for The Times newspaper since 2002, and was named Food and Drink Writer of the Year at the British Press Awards in 2005.