(The BMJ) The findings of this study suggest that children exposed to higher levels of PM2.5 are more likely to develop asthma and persistent wheezing than children who are not exposed.
Holst, G., Pedersen, C., Thygesen, M., Brandt, J., Geels, C., Bønløkke, J., Sigsgaard, T. (2020) Air pollution and family related determinants of asthma onset and persistent wheezing in children: nationwide case-control study. The British Medical Journal 370m2791 https://www.bmj.com/content/370/bmj.m2791