Battling for Air

Two thousand people die of asthma each year in Britain. The number of sufferers is growing, and blame is being leveled at air pollution. Asthma blights the lives of perhaps one in seven children, and many more young asthmatics remain undiagnosed and untreated. Tonight, Roger Harrabin investigates Britain's hidden epidemic and reveals how traffic pollution may be shortening people's lives.

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S1994E05 - 21/02/1994