Healthcare is being transformed by technology. Presenters Timandra Harkness and Leo Johnson discover what the future really holds for how we look after our health. Visiting the Silicon Valley technologists and cutting-edge medical research facilities, Leo explores the ambitions they have to bring science-fiction style health aids and treatments to millions of people, and how they are working to try and put an end to all infectious diseases. Timandra experiences the latest in remote control doctor surgeries in Dubai, and discovers the hugely significant part that your health data will play in shaping the future of healthcare for everyone. Producer: Jonathan Brunert.