# The Link Between Air Pollution And Alzheimer’s Is Now Clearer Than Ever

- Link: https://www.widthness.com/the-link-between-air-pollution-and-alzheimers-is-now-clearer-than-ever/
- Published: 2026-02-18T09:45:00-06:00
- Author: Curated by John Wysocki

Photo: Pollution from the Jones and Laughlin Steel Corporation plant at Aliquippa, Pennsylvania near Pittsburgh. Some discharge also is made into the Ohio River – September 1973. Photo credit: John L. Alexandrowicz / EPA / NARA via Wikimedia Commons. Public Domain. Article by David Nield. Science Alert – February 18, 2026. Research article: PLOS Medicine. Tiny air pollution particles may be doing more than harming our lungs. A new study links long-term exposure to PM2.5 to a higher risk of Alzheimer’s disease, suggesting these particles could be affecting the brain more directly than scientists have assumed. While air pollution has previously been linked with other conditions that might be driving Alzheimer’s – including high blood pressure and depression – this research suggests that particulate matter could be contributing directly to some of the millions of new Alzheimer’s diagnoses recorded each year. […] Click here to view original web page at www.sciencealert.com