According to the World Health Organization, at least 1.6 million years of healthy life are lost each year due to traffic noise in Western Europe. Among environmental risks, it would be the second cause of morbidity in Europe, behind air pollution. Here is what researchers report, authors of a study on the impact of traffic noise on our heart health, published in the journal Circulation Research.
Daily and nighttime background noise
We already knew that a sudden, very intense noise could make us deaf, partially or totally. But an explosion, a gunshot or extremely loud music are not heard every day… On the other hand, the noise of the road, plane traffic, or even trains are heard daily by many people . In Ile-de-France alone, more than 8 million people would be exposed to it (at a level above 53 decibels) during the day. And according to researchers, this could have serious health consequences. Especially if you hear them at night. They emphasize that: “Nighttime traffic noise causes sleep fragmentation and shortening, elevated levels of stress hormones, and increased oxidative stress in the vascular system and brain. These factors can promote vascular (endothelial) dysfunction, inflammation and hypertension (…)
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