How Does Traffic Noise Increase The Risk of Heart Attack?

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Though, study in Denmark about Relation Between Heart Attack Risk and Traffic Noisedon’t provide exact reasons, they have several guesses. It may be due to increased stress, air pollution or, sleep disturbance for high traffic noise.

Professor of medicine at the Northwestern Feinberg School of Medicine Dr. Robert Bonow said that, the noise probably increases stress and the levels of stress hormones like adrenaline and blood pressure is probably going up as well. Previous study also said that, associations between heart health and psychological stress of all kinds. Dr. Chip Lavie, medical director of cardiac rehabilitation and prevention at the Ochsner Medical Center in New Orleans said that, earthquakes, sporting events etc have the common theme of increased psychological stress, which one could theorize is also in play during heavy traffic, with or without traffic noise. Another thing is, noise might prevent people from getting adequate sleep, which may lead to heart attacks.

The link between air pollution and heart health is also studied nicely. If we keep traffic and air pollution lower-than-normal levels, risk factors for heart disease will be decreased.

Air pollution must occur when there are high volumes of noisy traffic. According to cardiologists that also might be the cause of  the higher heart attack risk for the people in the study. Particles in polluted air damage to the heart and blood vessels, they mentioned as the reasons.

Smoking,  less physically active and poorer diets were the other risk factors of people’s having  heart attack in the study. In their statistical analysis, researchers tried to rule out those factors. But, even when using the best statistical methods,  it's often difficult for them to rule out absolutely every variable which might affect an association between two factors.

Dr. David Frid, a cardiologist at the Cleveland Clinic said, there are multiple factors that could lead to a heart attack. Because, Cardiovascular disease is a complex process. “As we identify these various factors, we have to then be cognizant of what we can do to ultimately reduce our risk of developing heart disease." Frid said.

Living in a place with a lot of noise could increase the risk. But they didn't make it clear whether reducing that noise reduces the risk. It is always not possible for people to stay away from the noisy environment they live in. These people need regular exercise and eat a healthy diet to compensate for that risk.

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Is There Any Relation Between Heart Attack Risk and Traffic Noise?