Vietnam's Toxic Legacy: This episode investigates claims by doctors in Vietnam who believe that agent orange is causing life threatening health problems for a whole new generation of children. The toxic herbicide was dropped on Vietnam by US forces during the war over 40 years ago. Reporter Ade Adepitan travelled to Vietnam to investigate the ongoing legacy of Agent Orange. Subscribe to our channel for more Unreported World episodes http://bit.ly/2eUxoWX This Unreported World episode was first aired on Channel 4 on 28/10/2016.