Noise: The not-so-silent killer?

How sounds could be damaging your health. Long-term exposure to the noises of everyday city life has been linked to higher levels of stress, diabetes and heart disease. On this episode, presenter Jonny Dymond speaks to the BBC’s health and science correspondent James Gallagher about life in two of the world’s loudest cities – Barcelona in Spain and Dhaka in Bangladesh. And James puts his own body to the test, to find out how it responds to the most annoying sounds.

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Producers: Peter Goffin and Tom Kavanagh

Sound engineers: Mike Regaard and Jack Graysmark

Assistant editors: Richard Fenton-Smith and Sergi Forcada Freixas

Senior news editor: China Collins