The air pollution caused by vehicle emissions has been linked to numerous health issues, something that's caused many world cities to work to reduce the number of carbon-emitting cars on their roads.
But a new study from the U.K. indicates that large volumes of cars moving through an area can cause additional problems for nearby residents.
The study found a possible link between prolonged exposure to traffic noise and reduced life expectancy, as well as an increased risk of stroke.
Research was led by the London School of Hygiene & Tropical Medicine, in partnership with King's College London and Imperial College London.
For this study, researchers analyzed data from 8.6 million people living in different areas of London between 2003 and 2010.
Researchers compared levels of road traffic noise in different postal codes, and made separate notations for day and night, with daytime considered 7:00 a.m. to 11:00 p.m. and nighttime the remaining 12 hours.
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