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Traffic noise 'linked to stroke'

Traffic noise 'linked to stroke'
26th January 2011

Loud traffic noise can increase the risk of stroke in older adults, according to a new study.

Researchers from the Institute of Cancer Epidemiology, Danish Cancer Society found that for every ten decibels the noise rises, the risk of stroke increases by 14 per cent.

However, this association was found only in participants over the age of 65 and there was suggestion of a threshold of around 60 decibels, after which the stroke risk increased further.

Dr Mette Sorensen, who led the study, said: "Previous studies have linked traffic noise with raised blood pressure and heart attacks, and our study adds to the accumulating evidence that traffic noise may cause a range of cardiovascular diseases. These studies highlight the need for action to reduce people's exposure to noise."

This follows findings that cooling the brain in the aftermath of an acute stroke could give doctors more time to work on the patient and subsequently, save lives. 

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