Paris Hilton, the mystery of the missing Oscars, and do we have depression all wrong?

It-girl-turned-campaigner Paris Hilton speaks up about her stolen childhood, years of trauma, and taking down the ‘troubled teen industry’ (1m41s), Steve Rose investigates the mysterious case of the missing Academy Awards (30m35s), and the great serotonin debate: do depression treatments work by boosting the happy hormone? (43m14s)