A study published in the Journal of the American College of Cardiology found that people living near airports with high aircraft noise levels had stiffer and thicker heart muscles, indicating impaired blood pumping efficiency. Researchers analyzed data from the UK Biobank health research project and defined high aircraft noise as exceeding 50 decibels during the day and 45 decibels at night. They found a 7% increase in heart mass and 4% greater heart thickness among individuals exposed to loud aircraft noise, compared to those living in quieter areas. These changes, potentially caused by the constant din, were associated with a fourfold increased risk of heart attack.
structure and function, compared to people who moved to get away from the aircraft noise, according to results published Jan. 8 in theSpecifically, their heart muscle had grown stiffer and thicker over time, making the organ less efficient at pumping blood, researchers said.
For the study, researchers analyzed data from the long-term UK Biobank health research project, involving more than 3,600 people who lived near Heathrow, Gatwick, Birmingham or Manchester airports.High aircraft noise was defined as more than 50 decibels on average during daylight hours and 45 decibels at night, researchers said. That's higher than the 45 daytime decibels and 40 nighttime decibels recommended by the World Health Organization..
They found that people exposed to loud aircraft noise had 7% increased heart mass and 4% greater heart thickness, as well as impairedOverall, a person with the sort of heart structure changes associated with airplane noise has a fourfold greater risk of heart attack,
AIRCRAFT NOISE HEART HEALTH CARDIOVASCULAR DISEASE RISK OF HEART ATTACK NOISE POLLUTION
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