As pester power kicks in and the computer games' industry launches its latest products on to the Christmas market, Panorama hears from youngsters who've dropped out of school and university to play games for anything up to 21 hours a day.

While the world's focus is on the fight against the Taliban, Unreported World reveals a hidden result of the conflict in Afghanistan: a huge rise in the number of children addicted to opium and heroin in a country now said to have the youngest drug addicted population in the world. Reporter Ramita Navai and director Matt Haan discover a lost generation where babies, toddlers and teenagers are hooked on drugs as the only way to escape the pain, hunger and psychological effects of war.