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Research

Air Pollution May Increase Risk Of Heart Disease

There are a lot of health challenges in today’s world. This is mainly due to an increase in the triggers and factors for different conditions. For instance, one of the most common contributors to health issues is air pollution across the globe.

The world, in general, is rife with different kinds of pollution at the moment. In addition, the issue seems to worsen day by day instead of improving. This is due to a number of reasons including a lack of awareness.

On the other hand, developing countries do not have the resources to combat pollution. Their economies are typically not strong enough for green development.

Consequently, many of the states also continue to progress using old conventional methods which contribute to pollution. Perhaps air pollution is the worst among all because it is hard to avoid for anyone living in a metropolitan.

Previous research shows how air pollution increases the risk of many diseases. This specifically includes lung problems. For the people residing near factories or any similar place, the risk is even higher.

Since air pollution is such a big hassle, there are also more studies on it. For instance, a new study looks at the connection between pollution in the air and heart disease.

More particularly, the research looks at how pollution may cause coronary artery calcification. This condition, also called atherosclerosis, is among the most dangerous heart issues. The findings of the study appear in the journal JAMA Network Open.

Read the study here.

What Was the Research Methodology?

Coronary artery calcification is one of the most fundamental signs of atherosclerosis. In this disease, there is an amalgamation of plaque inside the walls of the artery. The development of this condition further causes cardiovascular problems such as heart attack.

Therefore, to know about its risk factors is fairly important. To know more about how this risk increases with air pollution, the researchers took data from 8,867 adults. The study happened in China so the participants were Chinese adults between the ages of 25 to 92 years.

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All of these participants also had a diagnosis of a suspected case of coronary heart diseases. They were mainly included in the study between the years 2015 to 2017.

There was then observation of the coronary heart disease score as well as coronary heart calcium of the participants. Some of them were not involved including those with coronary bypass surgery.

Secondly, those who had a stenting procedure or myocardial infection were also not suitable for the study. The same also applied to the participants who did not provide enough data on exposure to air pollution.

The researchers then did an examination of pollution levels at their respective residential areas. They did this via standard geostatistical prediction model. Through this model, they were able to know about the levels of following in the areas: ozone, particulate matter, and nitrogen dioxide.

Another thing that they saw was the amount of traffic exposure the participants had. This was done by looking at the distance between their houses and roads.

What Was the Result?

After observing, the researchers found air pollution does lead to higher chances of heart disease. In fact, the risk of artery calcification increases by 24.5 percent with an increase of merely 20 μg/m3 of nitrogen dioxide in the air.

Secondly, an increase of only 30 μg/m3 of PM2.5 (particulate matter) in the air, there was a 27.2 percent higher risk.

Consequently, this study proves that air pollution does play a major role in the development of the deadly disease. Atherosclerosis is a serious and mostly lifelong condition. More research may even reveal the connection of air pollution with other health issues.

Marilyn Baer

Marilyn is a graduate of Biochemistry. Prior to joining Top Health News, she has spent many years in research. Her specializations are on proteomics and cellular biology analysis.

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