Can you get dementia from long-term exposure to traffic noise?

In Focus by The Hindu · Aug 25, 2026 · 39m

Road traffic noise is a major environmental pollutant. Indian cities are cacophonous. They are not designed to insulate residents from sustained exposure to traffic noise. A new research paper has found a worrying link between traffic noise exposure and dementia, and also cognitive impairment. The paper, titled ‘Association of road traffic noise exposure with dementia or cognitive impairment – A systematic review of longitudinal cohort studies’, has been co-authored by Emil Basil Scaria and Nisha Dhanda, and was published on PLOS Global Public Health earlier this year.

We speak with the lead…