Long-term air pollution exposure triggers allergic immune responses in the lungs

Long-term air pollution exposure triggers allergic immune responses in the lungs

Air pollution is a global health concern, with over 90% of the world's population breathing air that exceeds World Health Organization safety standards.

How air pollution rewires the immune system toward allergy and asthma

Researchers have found that particulate matter can knock the body’s immune system out of balance, promoting allergic inflammation. A team at Pusan National University in South Korea exposed mice to PM10 and PM2.5 every day for 16 weeks before analysing lung tissue, plasma and immune cell profiles. Compared to the control group, the exposed mice had inflamed and darkened lungs due to particle buildup. Their lung tissues showed clear signs of inju…