Where is the world’s noisiest city?

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The ‘ignored pollutant’ can cause depression, stress, diabetes and heart attacks. What are cities doing to curb excess noise?

The constant roar of traffic, incessant construction noise, piercing sirens, honking horns, shrieking loudspeakers – noise in cities is clearly a nuisance.

But it’s also a danger. The World Health Organisation (WHO) has described noise pollution as an underestimated threat that can cause hearing loss, cardiovascular problems, cognitive impairment, stress and depression. Some experts go further: they believe exposure to environmental noise could be slowly killing us.

Related: What will our cities sound like in the future?

Though there is no set threshold to establish risk, anything above 60 decibels can increase risk for heart disease

If we could make planes, trains and ​​cars quieter ​we would solve a lot of our problems.

Related: Which city in the world has the cheapest cannabis – and the most expensive?

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This post was syndicated from Health | The Guardian. Click here to read the full text on the original website.

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