Image for The Story of Asthma IslandNot currently available on BBC iPlayer

Duration: 30 minutes

Documentary about how Tristan da Cunha, the most remote inhabited island in the world and a seven-day boat trip from Africa, could hold the key to unlocking one of the great mysteries of modern medicine - the genetic basis for asthma.

Featuring Napoleanic garrisons, volcanic eruptions and ship-wrecks, the film uncovers the extraordinary history of Asthma Island, its unique people and the scientist who has spent his career trying to unravel the secrets of their past.

Last on

Tue 9 Dec 2008 22:00 BBC Four

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