Is medicine about to be transformed by digitisation and artificial intelligence?

Ed Butler has his cognitive abilities assessed by a computer app. Thomas Sawyer of the health tech company Cognetivity, which developed the AI-assisted app claims it will help revolutionise the early detection and treatment of Alzheimer's.

But pretty soon our wellbeing could be monitored by multiple apps - on our phones, in our bathroom scales, even in our toilets - streaming data back to computerised healthcare systems. That's the vision of Robert Wachter, chair of the department of medicine at the University of California in San Francisco. But he also tells Ed of the many pitfalls that could await us in this data-driven future. Plus Sarah Deeny of The Healthcare Foundation in the UK raises concerns about the sensitivity of some of the data being handled.

Producer: Laurence Knight

(Picture: Doctor holds a tablet computer showing an X-ray image; Credit: Getty Images)