As per a study recently published in the journal Nature, the harmful nature of atmospheric particulate matter is potentially due to its oxidative potential.
About:
Exposure to the fine particle matter with diameters generally below 10 micrometres pose the greatest health risk. It is because they can get deep into lungs and even into bloodstream.
The capability of these tiny airborne particulate matter (PM) to react with oxygen to form highly reactive chemical molecules is known as reactive oxygen species (ROS) or oxidative potential (OP).
A reactive oxygen species build-up in cells may cause damage to DNA, RNA, proteins, and may cause cell death.
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