The aircraft noise turned out to be bad for the health of people who living near airports. Risk of stroke, heart disease, and higher blood circulation in that area. On a study of 3.6 million residents who living near Heathrow Airport in London to mention a higher risk of stroke by 10-20 percent compared to other areas with the highest noise level.
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| Those exposed to high levels of aircraft noise are up to a fifth more likely to need hospital treatment for, or die from, such diseases, it found. (Picture from: http://www.dailymail.co.uk/) |
The findings of the researchers team from Imperial College and King's College London is published in the British Medical Journal on October 8, 2013. The study's principal investigator, Anna Hansell said that the impact of noise on health is not known exactly.
"But it makes sense if it contributes, for example, raise blood pressure or interfere with sleep," she said. "There is a 'shock reaction' to loud noise. If you are suddenly exposed to it, heart rate and increased blood pressure."
In the study, a team of scientists using noise level data on 2001 of the Civil Aviation Authority. This data covers 12 districts in London and nine outside London with aircraft noise levels exceeding 50 decibels - the volume of normal conversation in a quiet room.
Changes in aircraft design and flight schedules are also influential, making fewer people were affected by the highest noise levels, i.e above 63 decibels.
Stephen Stansfeld of Queen Mary University of London, said the findings suggest that the determination of the location of the airport and aircraft noise exposure may have an immediate effect on the health of people who living around it.
"Planners need to take this into account when expanding the airport in a densely populated area or planning a new airport," he said. *** [EKA | FROM VARIOUS SOURCES | DAILYMAIL | BBC | ERWIN Z | KORAN TEMPO 4370]
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