My brother pointed this out to me on facebook. It could have useful applications in a few years, the claim is it may keep some people out of hospital.
https://www.bbc.co.uk/news/health-4...8qFj82Ha0JQhxxwgc2p-jzMEG9yVlnaMCc8gAc2Y4Qm6U
https://www.bbc.co.uk/news/health-4...8qFj82Ha0JQhxxwgc2p-jzMEG9yVlnaMCc8gAc2Y4Qm6U