Written by 4:53 am Environment, Health, News

Air pollution may trigger heart attacks

A scientist who is affiliated with Yale University reported a finding that even a few hours’ worth exposures to atmospheric ultrafine particles may potentially cause a nonfatal heart attack. Ultrafine particles (UFP) are 100 nanometers in size, or at times even smaller, and are easily found in the air pollution.

In urban areas, it can be found in the automobile emissions and can be considered as the primary source. UFP offers a health risk due to their small size and their penetrability into the cells and hence, the blood system. This can result in Myocardial infarction which is a major form of cardiovascular disease all over the world.

This is believed to be the first epidemiological investigation of UFP exposures’ effects using the quantity and the length of the particles while taking in the account the exposures’ surface area concentrations at hourly intervals. The researchers looked at more than 5, 898 cases of patients, relative to the study, between the years 2005 and 2015.

The reason behind the lack of consistent findings across epidemiological studies quite likely to be the different size ranges and the exposure metrics that are examined to categorize the ambient UFP exposure. The researchers were interested in whether transient UFP exposure could trigger heart attacks or alternative metrics could improve the investigation.

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