A new study has revealed that air pollution particles may be causing inflammation in the lungs. Researchers at the University of North Carolina in Chapel Hill have found that air pollution particles, or particulate matter, can trigger a cellular response that leads to inflammation in the lungs. This could have serious implications for those with respiratory conditions such as asthma and COPD. The study looked at the effects of two different types of air pollution particles, one that is smaller than 2.5 microns in diameter and one that is larger than 2.5 microns in diameter. They found that the smaller particles were able to penetrate deeper into cells, triggering a cellular response that led to inflammation. The researchers suggest that this could be an important factor in understanding the health effects of air pollution.

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source: Phys.org