Featured Research

from universities, journals, and other organizations

Road Traffic Noise In Residential Areas Can Increase Risk Of Heart Attack

Date:
February 10, 2009
Source:
Karolinska Institutet
Summary:
People living in environments with high levels of road traffic noise might be more likely to suffer myocardial infarction than people in quieter areas.

People living in environments with high levels of road traffic noise might be more likely to suffer myocardial infarction than people in quieter areas. This according to a new study from Karolinska Institutet carried out in the Stockholm area.

The study compared 1,571 people from Stockholm County who had suffered a myocardial infarction between 1992 and 1994 with controls from the same area. In order to ascertain whether traffic noise in residential areas increases the risk of myocardial infarction, the addresses of all individuals over the past 20 years were identified, and a level of noise estimated. Similarly, exposure to air pollution was charted and information on different risk factors for myocardial infarction was gathered using questionnaires and interviews.

No clear correlation between noise exposure and myocardial infarction was found in the entire study population. However, once people with impaired hearing or exposure to other sources of noise had been eliminated from the study, it was found that there was a 40 per cent higher risk of myocardial infarction in people exposed to road traffic noise exceeding 50 decibels. This relationship applied independently of other known risk factors for myocardial infarction, such as exposure to air pollutants.

"More research will be needed to establish a definite correlation between road traffic noise and myocardial infarction, but our results are supported by other studies showing the cardiovascular effects of noise, such as those concerning high blood pressure," says Professor Gφran Pershagen, who led the study. "Councils should already be taking these results into account when planning new roads and residential areas."

Noise is a serious and growing environmental problem. According to the World Health Organisation, some 40 per cent of the European population is exposed to road traffic noise exceeding 55 decibels during the day. There is at present no threshold limit for road traffic noise in the EU, but in Sweden, the maximum acceptable level is 55 decibels at a building s faηade.

"In the present study, some 65 per cent of subjects were exposed to road traffic noise at levels of 50 decibels or more," says postgraduate Jenny Selander. "This percentage is probably lower for the country as a whole, given that the subjects all came from in and around Stockholm, but there is still a considerable proportion of the population who are being exposed to noise."

The study has been published in the online edition of Epidemiology and will go to print in March.


Story Source:

The above story is based on materials provided by Karolinska Institutet. Note: Materials may be edited for content and length.


Journal Reference:

  1. Selander J, Nilsson NE, Bluhm G, Rosenlund M, Lindqvist M, Nise G, Pershagen G. Long-Term Exposure to Road Traffic Noise and Myocardial Infarction. Epidemiology, Onine 29 December 2008

Cite This Page:

Karolinska Institutet. "Road Traffic Noise In Residential Areas Can Increase Risk Of Heart Attack." ScienceDaily. ScienceDaily, 10 February 2009. <www.sciencedaily.com/releases/2009/02/090202135936.htm>.
Karolinska Institutet. (2009, February 10). Road Traffic Noise In Residential Areas Can Increase Risk Of Heart Attack. ScienceDaily. Retrieved September 21, 2014 from www.sciencedaily.com/releases/2009/02/090202135936.htm
Karolinska Institutet. "Road Traffic Noise In Residential Areas Can Increase Risk Of Heart Attack." ScienceDaily. www.sciencedaily.com/releases/2009/02/090202135936.htm (accessed September 21, 2014).

Share This



More Health & Medicine News

Sunday, September 21, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Sierra Leone's Nationwide Ebola Curfew Underway

Sierra Leone's Nationwide Ebola Curfew Underway

Newsy (Sep. 20, 2014) — Sierra Leone is locked down as aid workers and volunteers look for new cases of Ebola. Video provided by Newsy
Powered by NewsLook.com
Changes Found In Brain After One Dose Of Antidepressants

Changes Found In Brain After One Dose Of Antidepressants

Newsy (Sep. 19, 2014) — A study suggest antidepressants can kick in much sooner than previously thought. Video provided by Newsy
Powered by NewsLook.com
Could Grief Affect The Immune Systems Of Senior Citizens?

Could Grief Affect The Immune Systems Of Senior Citizens?

Newsy (Sep. 19, 2014) — The study found elderly people are much more likely to become susceptible to infection than younger adults going though a similar situation. Video provided by Newsy
Powered by NewsLook.com
Jury Delivers Verdict in Salmonella Trial

Jury Delivers Verdict in Salmonella Trial

AP (Sep. 19, 2014) — A federal jury has convicted three people in connection with an outbreak of salmonella poisoning five years ago that sickened hundreds of people and was linked to a number of deaths. (Sept. 19) Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins