Early detection for diseases like cancer is important to everyone, but Owlstone Medical is leading the pack by creating a breathalyser that aims to diagnose diseases in the ultimate non-invasive test. Their ground-breaking technology is completely painless and uses breath - not blood - for early detection and diagnosis of disease. Patrick talks to Billy Boyle in this episode about his role as CEO at Owlstone Medical and the reasons behind his drive towards early diagnosis. From cancer detection to the effects of air pollution, the potential future uses for this amazing technology seems unlimited while also removing the fear of most current testing.