Traffic noise linked to an increased risk of heart attack

On its website, ABC News reports that, according to a study published in the journal PLoS One, traffic noise may be linked to an increased risk of heart attack.

Investigators “studied more than 50,000 50- to 64-year-olds in two of Denmark’s largest cities, Copenhagen and Aarhus, keeping track of many aspects of their health, including everywhere they lived for a 10-year period.” The investigators estimated, “based on the locations of their homes and an analysis of traffic patterns … how much noise each person had been exposed to.”

MSNBC reports that the investigators “found that for every 10 decibels of added roadway traffic noise, the risk of heart attack increased 12 percent.” The researchers “estimated that four percent of all heart attacks in Denmark are related to traffic noise.”

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