Children at Increased Risk of Asthma From Breathing the ‘Safe’ Air of Cities

The mother’s exposure to air pollution during pregnancy may increase the risk of asthma in her offspring that persists until adulthood. This is one of the conclusions of a study in mice published at the International Conference ATS 2025. Researchers also found that the offspring presented lasting epigenetic changes that affected her lungs and her immune response. While previous research has suggested that maternal exposure to pollution may incre…