We are in the grip of an allergy epidemic. 50 years ago one in 30 were affected, but in Britain today it is closer to one in three. Why are allergies one of the biggest puzzles of modern medicine? Are we creating a world in which people can’t live?
In search of answers, Horizon travels round the globe, from the remotest inhabited island to the polluted centers 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.
“Allergy Planet” (2008) is a BBC documentary produced and directed by Naomi Austin.