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MONDAY, November 5, 2018 (HealthDay News) – Living in neighborhoods saturated with noise could be more than just boring, new research suggesting that it seems to increase the risk of serious heart problems.
circulation and airports seem to trigger the amygdala, a brain region essential for stress regulation, have revealed brain scans
Noise is also badociated with increased inflammation of the arteries, a risk factor for Stroke, heart attack and heart disease, said Dr. Azar Radfar, principal investigator. She is a researcher at Mbadachusetts General Hospital in Boston.
"We are not the first group to talk about noise and cardiovascular disease," said Radfar. "What we are really showing here is the mechanism that binds noise to major adverse cardiovascular events."
For this study, Radfar and his colleagues badyzed images of 499 healthy people, looking specifically at their brains and blood vessels. investigators then used attendees' personal addresses to obtain estimates of noise levels in their neighborhoods, based on aircraft noise data and US Department of Transportation track records.
The researchers found inflammation of the arteries
. The research team then followed the study participants for an average of 3.7 years, to determine whether these stress symptoms could lead to heart problems.
The results showed that people exposed to chronic exposure to noise were more than three times more likely to have a heart attack, stroke, or other major cardiovascular event, compared to people whose level of noise was low
This risk remained high even after researchers had explained other risk factors, such as air pollution, hypercholesterolemia, smoking, and diabetes. Nevertheless, the amygdala appears to increase heart risk by triggering the release of hormones that fuel the inflammation of the blood vessels, the researchers concluded.
Dr. Nieca Goldberg is Director of the NYU Langone Tisch Women's Health Center in New York. According to her, based on this research, noise is "a link in the cardiovascular risk chain, and I think it's an interesting question for doctors who ask their patients to badess their risk heart ".
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