How much preventative health monitoring is too much? Host Tom Standage travels to the year 2042 to find large-scale monitoring of people’s health as part of a shift from treatment to prevention⁠—and a debate about whether regular medical scans should be made compulsory. What role will wearable devices play, and how might new diagnostic tools affect health inequality? For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer   See acast.com/privacy for privacy and opt-out information.