Thursday, January 27, 2011

Traffic Noise Increases the Risk of Having a Stroke, Study Suggests

The study, that is between the first one to investigate the connections between the noise of way traffic and the risk of movement, found that for each 10 decibels more noise the risk of having a movement increased in 14% between the 51,485 participants of the study. When the Danish investigators watched the data more close by, they found that for aged people less than 65 years there was significant statistical no increasing risk of movement; nevertheless, the risk above increased in 27% for each 10dB of the noise of traffic of a higher way in those aged 65 years and. In addition, in oldest people it found indications of a limit of the threshold in the DB approximately 60, on which the risk for the movement seemed to increase still more. The Dr. Mette Sørensen, senior investigator in the institute of the epidemiology of the cancer, Society of the Danish Cancer in Copenhagen, Denmark, that took the investigation, said: " Our study demonstrates that the exhibition to the noise of way traffic seems to increase the risk of movement. The previous studies have bound noise of the traffic to the arterial pressure and raised attacks of the heart, and our study adds to the accumulation evidence that the noise of the traffic can cause a range of cardiovascular diseases. These studies emphasize the necessity of the action to reduce people' exhibition of s to the noise. " This one is the first study never to investigate the association enters the exhibition the noise of way traffic and the movement risk, and, therefore, more investigation is necessary before any firm conclusion can be made." The study was based on " Danish; Diet, cancer, and Health" the fictitious study, that recruited to a total of 57,053 people aged between 50 and 64, in the areas of Copenhagen and Aarhus between 1993 and 1997. Medical and residential histories were available for 51,485 of the participants and their average time of the recordativa letter era ten years. A total of 1,881 underwent a movement in this time. The Dr. Sørensen and their colleagues done permissions in its calculations for the effect of the air pollution, exhibition to the railroad and the noise of airplanes, as well as a range of other factors of the form of life of the confusion such as consumption smoking, of the diet, the alcohol and caffein. The data on the participants of the study and where they lived were connected to a program of the calculation of the noise that has been used to draw up the noise levels in a variety of locations in Scandinavia by several years. The program takes account from the composition and speed of the traffic, type of the way (rural freeways, highways etc) and the surfaces, constructive polygons and the position and the heights of people' homes of s on the ways. At the time of assembling the cohorte 35% of people majors were exposed at the noise levels that 60dB, and 72% lived in the same direction through period of the study. Researchers' the lowest estimation for the exhibition of noise was 40dB and the highest era 82dB. in addition, older people tend to have fact fragments dream landlords and are more susceptible to the disturbances of the dream. This could explain because the association between the noise of way traffic and the risk of movement was considered mainly in participants." older; The Dr. Sørensen glides to realise the additional investigation in the effects of the noise on a range of cardiovascular diseases and raised arterial pressure.

No comments:

Post a Comment