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Tim Harford explains the numbers and statistics in the news and in life

Tim Harford explains the numbers and statistics in the news and in life.

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More or Less: Hannah Fry on using shopping data to detect ovarian cancer

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Hannah Fry on using shopping data to detect ovarian cancer

04/02/2023 GMT

BBC World Service - More or Less, Hannah Fry on using shopping data to detect ovarian cancer

The mathematician discusses a study that suggests loyalty card data could signal cancer.

The British mathematician discusses a new study that suggests loyalty card data could be used to pick up early signs of cancer.

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)

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