By Dr. Liji Thomas, MD Reviewed by Lily Ramsey, LLM Apr 8 2025 A decade-long study reveals that specific pollutants, especially from industry and residential fuels, are linked to declines in memory, executive function, and language skills in older adults. Study:  Cognitive Performance and Long-term Exposure to Outdoor Air Pollution: Findings from the Harmonised Cognitive Assessment Protocol Sub-Study of the English Longitudinal Study of Ageing (ELSA-HCAP) . Image Credit: Neil Bowman/