When did Horizon Season 45 Episode 16 air?
Horizon Season 45 Episode 16 aired on December 9, 2008.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 45 · Episode 16
Allergy Planet
Dec 9, 2008·1h
We are in the grip of an allergy epidemic. Fifty years ago one in 30 were affected, but in Britain today it is closer to one in three. Why this should be is one of modern medicine's greatest puzzles. In search of answers, Horizon travels round the globe, from the remotest inhabited island to the polluted centres of California and the UK. We meet sufferers and the scientists who have dedicated their lives trying to answer the mystery of why we are becoming allergic to our world.
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How long is Horizon Season 45 Episode 16?
This episode runs for approximately 60 minutes.
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