Aircraft noise linked to higher risk of heart disease and stroke

Aircraft noise linked to higher risk of heart disease and stroke

LONDON - Exposure to high levels of aircraft noise near busy international airports has been linked to a higher risk of heart disease and strokes in two separate studies from Britain and the United States.

Researchers in London studied data on noise and hospital admissions around London Heathrow airport while a separate team analysed data for more than 6 million Americans living near 89 US airports in 2009.

Both studies, published in the British Medical Journal (BMJ) on Wednesday, found that people living with the highest levels of aircraft noise had increased risks of stroke, coronary heart disease and other cardiovascular diseases.

Stephen Stansfeld, a professor at Queen Mary University of London who was not part of either research team but provided a commentary on their findings, said the results suggested that"aircraft noise exposure is not just a cause of annoyance, sleep disturbance, and reduced quality of life" but may also increase sickness and death from heart disease.

City and town planners "need to take this into account when extending airports in heavily populated areas or planning new airports," he said.

Other experts said the studies raised important issues about aircraft noise and health, but did not establish a causal link.

"Both of these studies are thorough and well-conducted. But, even taken together, they don't prove that aircraft noise actually causes heart disease and strokes," said Kevin McConway, a professor of applied statistics at Britain's Open University.

The British research team set out to investigate the risks of stroke and heart disease in relation to aircraft noise among 3.6 million people living near Heathrow, one of the busiest airports in the world.

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