A certain type of air pollutant seems to be linked to brain abnormalities, Elizabeth Tracey reports episode artwork

EPISODE · Nov 17, 2025 · 1 MIN

A certain type of air pollutant seems to be linked to brain abnormalities, Elizabeth Tracey reports

from Johns Hopkins Medicine · host Johns Hopkins Medicine

PM 2.5 stands for particulate matter 2.5 microns or less, and this category of air pollutant may well be involved in autism risk as well as cognitive issues in older adults. That’s according to Heather Volk, autism expert at Johns … A certain type of air pollutant seems to be linked to brain abnormalities, Elizabeth Tracey reports Read More »

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A certain type of air pollutant seems to be linked to brain abnormalities, Elizabeth Tracey reports

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