Hannah Fry on using shopping data to detect ovarian cancer

Available for over a year

A new study led by Imperial College in London suggests that data from loyalty card spending in supermarkets and pharmacies could be used as a way of detecting ovarian cancer much earlier. Tim Harford discusses the findings with Professor Hannah Fry, who was most recently on the show talking about her own experience with cancer. Presenter: Tim Harford Producer: Jon Bithrey Editor: Richard Vadon Production Coordinator: Brenda Brown Sound Engineer: Neil Churchill (Mathematician and author Dr Hannah Fry / BBC Images)