© 2022 Gwen Dewar, Ph.D., all rights reserved #author-byline-block_632a60f4e95a8 .author-byline-text{ font-size: 16px; color: rgb(34, 34, 34); } When young children are exposed to polluted air – including particulate matter (PM) – they don’t just suffer from respiratory problems. They are also more likely to develop chronic inflammation, and risky health...