Airing on ITV now!
Eight celebrities, including actors June Brown, Claire King, Sid Owen and Sherrie Hewson, are subjected to scientific testing to discover how well, or badly, they are ageing. Together with presenter Roy Walker, musician Shaun Ryder, astrologer Russell Grant and TV personality Sandra Martin, they head for Sardinia, home to one of the world's oldest populations, where they commit to a strict diet and exercise regimen